Home / 3,561.47-5,344.03-1,587.70

Finding the Fourth Proportional to 3,561.47, 5,344.03 and 1,587.70

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Solution

The fourth proportional to 3,561.47, 5,344.03 and 1,587.70 is: 2,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.47 : 5,344.03 = 1,587.70 : x
  2. Step 2: Convert to fraction form
    3,561.47/5,344.03 = 1,587.70/x
  3. Step 3: Cross multiply
    3,561.47x = 5,344.03 × 1,587.70
  4. Step 4: Simplify right side
    3,561.47x = 8,484,716.16
  5. Step 5: Solve for x
    x = 8,484,716.16/3,561.47
  6. Step 6: Final answer
    x = 2,382.36

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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.