Home / 3,440.52-5,156.55-1,589.13

Finding the Fourth Proportional to 3,440.52, 5,156.55 and 1,589.13

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Solution

The fourth proportional to 3,440.52, 5,156.55 and 1,589.13 is: 2,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.52 : 5,156.55 = 1,589.13 : x
  2. Step 2: Convert to fraction form
    3,440.52/5,156.55 = 1,589.13/x
  3. Step 3: Cross multiply
    3,440.52x = 5,156.55 × 1,589.13
  4. Step 4: Simplify right side
    3,440.52x = 8,194,428.30
  5. Step 5: Solve for x
    x = 8,194,428.30/3,440.52
  6. Step 6: Final answer
    x = 2,381.74

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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.