Home / 3,542.50-4,889.97-2,660.85

Finding the Fourth Proportional to 3,542.50, 4,889.97 and 2,660.85

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Solution

The fourth proportional to 3,542.50, 4,889.97 and 2,660.85 is: 3,672.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.50 : 4,889.97 = 2,660.85 : x
  2. Step 2: Convert to fraction form
    3,542.50/4,889.97 = 2,660.85/x
  3. Step 3: Cross multiply
    3,542.50x = 4,889.97 × 2,660.85
  4. Step 4: Simplify right side
    3,542.50x = 13,011,476.67
  5. Step 5: Solve for x
    x = 13,011,476.67/3,542.50
  6. Step 6: Final answer
    x = 3,672.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.