Home / 1,397.52-2,096.28-1,165.32

Finding the Fourth Proportional to 1,397.52, 2,096.28 and 1,165.32

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Solution

The fourth proportional to 1,397.52, 2,096.28 and 1,165.32 is: 1,747.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397.52 : 2,096.28 = 1,165.32 : x
  2. Step 2: Convert to fraction form
    1,397.52/2,096.28 = 1,165.32/x
  3. Step 3: Cross multiply
    1,397.52x = 2,096.28 × 1,165.32
  4. Step 4: Simplify right side
    1,397.52x = 2,442,837.01
  5. Step 5: Solve for x
    x = 2,442,837.01/1,397.52
  6. Step 6: Final answer
    x = 1,747.98

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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.