Home / 1,731.97-2,388.30-1,141.75

Finding the Fourth Proportional to 1,731.97, 2,388.30 and 1,141.75

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Solution

The fourth proportional to 1,731.97, 2,388.30 and 1,141.75 is: 1,574.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.97 : 2,388.30 = 1,141.75 : x
  2. Step 2: Convert to fraction form
    1,731.97/2,388.30 = 1,141.75/x
  3. Step 3: Cross multiply
    1,731.97x = 2,388.30 × 1,141.75
  4. Step 4: Simplify right side
    1,731.97x = 2,726,841.53
  5. Step 5: Solve for x
    x = 2,726,841.53/1,731.97
  6. Step 6: Final answer
    x = 1,574.42

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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.