Home / 1,731.46-2,597.28-577.12

Finding the Fourth Proportional to 1,731.46, 2,597.28 and 577.12

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Solution

The fourth proportional to 1,731.46, 2,597.28 and 577.12 is: 865.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.46 : 2,597.28 = 577.12 : x
  2. Step 2: Convert to fraction form
    1,731.46/2,597.28 = 577.12/x
  3. Step 3: Cross multiply
    1,731.46x = 2,597.28 × 577.12
  4. Step 4: Simplify right side
    1,731.46x = 1,498,942.23
  5. Step 5: Solve for x
    x = 1,498,942.23/1,731.46
  6. Step 6: Final answer
    x = 865.71

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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.