Home / 1,697.38-2,542.08-1,175.44

Finding the Fourth Proportional to 1,697.38, 2,542.08 and 1,175.44

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Solution

The fourth proportional to 1,697.38, 2,542.08 and 1,175.44 is: 1,760.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.38 : 2,542.08 = 1,175.44 : x
  2. Step 2: Convert to fraction form
    1,697.38/2,542.08 = 1,175.44/x
  3. Step 3: Cross multiply
    1,697.38x = 2,542.08 × 1,175.44
  4. Step 4: Simplify right side
    1,697.38x = 2,988,062.52
  5. Step 5: Solve for x
    x = 2,988,062.52/1,697.38
  6. Step 6: Final answer
    x = 1,760.40

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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.