Home / 4,030.22-5,561.16-2,261.72

Finding the Fourth Proportional to 4,030.22, 5,561.16 and 2,261.72

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Solution

The fourth proportional to 4,030.22, 5,561.16 and 2,261.72 is: 3,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,030.22 : 5,561.16 = 2,261.72 : x
  2. Step 2: Convert to fraction form
    4,030.22/5,561.16 = 2,261.72/x
  3. Step 3: Cross multiply
    4,030.22x = 5,561.16 × 2,261.72
  4. Step 4: Simplify right side
    4,030.22x = 12,577,786.80
  5. Step 5: Solve for x
    x = 12,577,786.80/4,030.22
  6. Step 6: Final answer
    x = 3,120.87

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Half scale
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Double scale
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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.