Home / 3,239.85-4,472.45-2,520.41

Finding the Fourth Proportional to 3,239.85, 4,472.45 and 2,520.41

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Solution

The fourth proportional to 3,239.85, 4,472.45 and 2,520.41 is: 3,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.85 : 4,472.45 = 2,520.41 : x
  2. Step 2: Convert to fraction form
    3,239.85/4,472.45 = 2,520.41/x
  3. Step 3: Cross multiply
    3,239.85x = 4,472.45 × 2,520.41
  4. Step 4: Simplify right side
    3,239.85x = 11,272,372.74
  5. Step 5: Solve for x
    x = 11,272,372.74/3,239.85
  6. Step 6: Final answer
    x = 3,479.29

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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.