Home / 3,691.16-5,531.26-1,717.36

Finding the Fourth Proportional to 3,691.16, 5,531.26 and 1,717.36

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Solution

The fourth proportional to 3,691.16, 5,531.26 and 1,717.36 is: 2,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.16 : 5,531.26 = 1,717.36 : x
  2. Step 2: Convert to fraction form
    3,691.16/5,531.26 = 1,717.36/x
  3. Step 3: Cross multiply
    3,691.16x = 5,531.26 × 1,717.36
  4. Step 4: Simplify right side
    3,691.16x = 9,499,164.67
  5. Step 5: Solve for x
    x = 9,499,164.67/3,691.16
  6. Step 6: Final answer
    x = 2,573.49

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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.