Home / 3,331.98-5,000.63-1,689.71

Finding the Fourth Proportional to 3,331.98, 5,000.63 and 1,689.71

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Solution

The fourth proportional to 3,331.98, 5,000.63 and 1,689.71 is: 2,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.98 : 5,000.63 = 1,689.71 : x
  2. Step 2: Convert to fraction form
    3,331.98/5,000.63 = 1,689.71/x
  3. Step 3: Cross multiply
    3,331.98x = 5,000.63 × 1,689.71
  4. Step 4: Simplify right side
    3,331.98x = 8,449,581.07
  5. Step 5: Solve for x
    x = 8,449,581.07/3,331.98
  6. Step 6: Final answer
    x = 2,535.90

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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.