Home / 3,331.90-5,002.46-1,689.59

Finding the Fourth Proportional to 3,331.90, 5,002.46 and 1,689.59

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Solution

The fourth proportional to 3,331.90, 5,002.46 and 1,689.59 is: 2,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.90 : 5,002.46 = 1,689.59 : x
  2. Step 2: Convert to fraction form
    3,331.90/5,002.46 = 1,689.59/x
  3. Step 3: Cross multiply
    3,331.90x = 5,002.46 × 1,689.59
  4. Step 4: Simplify right side
    3,331.90x = 8,452,116.79
  5. Step 5: Solve for x
    x = 8,452,116.79/3,331.90
  6. Step 6: Final answer
    x = 2,536.72

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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.