Home / 3,459.13-4,771.81-2,340.47

Finding the Fourth Proportional to 3,459.13, 4,771.81 and 2,340.47

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Solution

The fourth proportional to 3,459.13, 4,771.81 and 2,340.47 is: 3,228.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.13 : 4,771.81 = 2,340.47 : x
  2. Step 2: Convert to fraction form
    3,459.13/4,771.81 = 2,340.47/x
  3. Step 3: Cross multiply
    3,459.13x = 4,771.81 × 2,340.47
  4. Step 4: Simplify right side
    3,459.13x = 11,168,278.15
  5. Step 5: Solve for x
    x = 11,168,278.15/3,459.13
  6. Step 6: Final answer
    x = 3,228.64

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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.