Home / 3,439.83-4,746.69-2,261.28

Finding the Fourth Proportional to 3,439.83, 4,746.69 and 2,261.28

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Solution

The fourth proportional to 3,439.83, 4,746.69 and 2,261.28 is: 3,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.83 : 4,746.69 = 2,261.28 : x
  2. Step 2: Convert to fraction form
    3,439.83/4,746.69 = 2,261.28/x
  3. Step 3: Cross multiply
    3,439.83x = 4,746.69 × 2,261.28
  4. Step 4: Simplify right side
    3,439.83x = 10,733,595.16
  5. Step 5: Solve for x
    x = 10,733,595.16/3,439.83
  6. Step 6: Final answer
    x = 3,120.39

Related Problems

Find fourth proportional to 1,719.92, 2,373.35 and 1,130.64
Half scale
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Double scale
Find fourth proportional to 3,440.83, 4,748.07 and 2,262.28
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.