Home / 1,612.97-2,417.29-1,327.85

Finding the Fourth Proportional to 1,612.97, 2,417.29 and 1,327.85

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Solution

The fourth proportional to 1,612.97, 2,417.29 and 1,327.85 is: 1,989.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.97 : 2,417.29 = 1,327.85 : x
  2. Step 2: Convert to fraction form
    1,612.97/2,417.29 = 1,327.85/x
  3. Step 3: Cross multiply
    1,612.97x = 2,417.29 × 1,327.85
  4. Step 4: Simplify right side
    1,612.97x = 3,209,798.53
  5. Step 5: Solve for x
    x = 3,209,798.53/1,612.97
  6. Step 6: Final answer
    x = 1,989.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.