Home / 1,949.85-2,691.43-1,454.13

Finding the Fourth Proportional to 1,949.85, 2,691.43 and 1,454.13

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Solution

The fourth proportional to 1,949.85, 2,691.43 and 1,454.13 is: 2,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.85 : 2,691.43 = 1,454.13 : x
  2. Step 2: Convert to fraction form
    1,949.85/2,691.43 = 1,454.13/x
  3. Step 3: Cross multiply
    1,949.85x = 2,691.43 × 1,454.13
  4. Step 4: Simplify right side
    1,949.85x = 3,913,685.47
  5. Step 5: Solve for x
    x = 3,913,685.47/1,949.85
  6. Step 6: Final answer
    x = 2,007.17

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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.