Home / 1,731.14-2,596.65-432.59

Finding the Fourth Proportional to 1,731.14, 2,596.65 and 432.59

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Solution

The fourth proportional to 1,731.14, 2,596.65 and 432.59 is: 648.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.14 : 2,596.65 = 432.59 : x
  2. Step 2: Convert to fraction form
    1,731.14/2,596.65 = 432.59/x
  3. Step 3: Cross multiply
    1,731.14x = 2,596.65 × 432.59
  4. Step 4: Simplify right side
    1,731.14x = 1,123,284.82
  5. Step 5: Solve for x
    x = 1,123,284.82/1,731.14
  6. Step 6: Final answer
    x = 648.87

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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.