Home / 3,961.02-5,947.68-3,785.70

Finding the Fourth Proportional to 3,961.02, 5,947.68 and 3,785.70

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Solution

The fourth proportional to 3,961.02, 5,947.68 and 3,785.70 is: 5,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.02 : 5,947.68 = 3,785.70 : x
  2. Step 2: Convert to fraction form
    3,961.02/5,947.68 = 3,785.70/x
  3. Step 3: Cross multiply
    3,961.02x = 5,947.68 × 3,785.70
  4. Step 4: Simplify right side
    3,961.02x = 22,516,132.18
  5. Step 5: Solve for x
    x = 22,516,132.18/3,961.02
  6. Step 6: Final answer
    x = 5,684.43

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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.