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Finding the Fourth Proportional to 3,464.52, 4,781.12 and 1,892.76

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Solution

The fourth proportional to 3,464.52, 4,781.12 and 1,892.76 is: 2,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.52 : 4,781.12 = 1,892.76 : x
  2. Step 2: Convert to fraction form
    3,464.52/4,781.12 = 1,892.76/x
  3. Step 3: Cross multiply
    3,464.52x = 4,781.12 × 1,892.76
  4. Step 4: Simplify right side
    3,464.52x = 9,049,512.69
  5. Step 5: Solve for x
    x = 9,049,512.69/3,464.52
  6. Step 6: Final answer
    x = 2,612.05

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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.