Home / 3,437.92-5,159.61-1,247.28

Finding the Fourth Proportional to 3,437.92, 5,159.61 and 1,247.28

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Solution

The fourth proportional to 3,437.92, 5,159.61 and 1,247.28 is: 1,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.92 : 5,159.61 = 1,247.28 : x
  2. Step 2: Convert to fraction form
    3,437.92/5,159.61 = 1,247.28/x
  3. Step 3: Cross multiply
    3,437.92x = 5,159.61 × 1,247.28
  4. Step 4: Simplify right side
    3,437.92x = 6,435,478.36
  5. Step 5: Solve for x
    x = 6,435,478.36/3,437.92
  6. Step 6: Final answer
    x = 1,871.91

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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.