Home / 3,464.79-4,781.28-1,892.90

Finding the Fourth Proportional to 3,464.79, 4,781.28 and 1,892.90

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Solution

The fourth proportional to 3,464.79, 4,781.28 and 1,892.90 is: 2,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.79 : 4,781.28 = 1,892.90 : x
  2. Step 2: Convert to fraction form
    3,464.79/4,781.28 = 1,892.90/x
  3. Step 3: Cross multiply
    3,464.79x = 4,781.28 × 1,892.90
  4. Step 4: Simplify right side
    3,464.79x = 9,050,484.91
  5. Step 5: Solve for x
    x = 9,050,484.91/3,464.79
  6. Step 6: Final answer
    x = 2,612.13

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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.