Home / 3,621.85-5,432.30-1,156.71

Finding the Fourth Proportional to 3,621.85, 5,432.30 and 1,156.71

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Solution

The fourth proportional to 3,621.85, 5,432.30 and 1,156.71 is: 1,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.85 : 5,432.30 = 1,156.71 : x
  2. Step 2: Convert to fraction form
    3,621.85/5,432.30 = 1,156.71/x
  3. Step 3: Cross multiply
    3,621.85x = 5,432.30 × 1,156.71
  4. Step 4: Simplify right side
    3,621.85x = 6,283,614.66
  5. Step 5: Solve for x
    x = 6,283,614.66/3,621.85
  6. Step 6: Final answer
    x = 1,734.92

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1.5x scale

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.