Home / 3,220.48-4,829.91-2,672.92

Finding the Fourth Proportional to 3,220.48, 4,829.91 and 2,672.92

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Solution

The fourth proportional to 3,220.48, 4,829.91 and 2,672.92 is: 4,008.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.48 : 4,829.91 = 2,672.92 : x
  2. Step 2: Convert to fraction form
    3,220.48/4,829.91 = 2,672.92/x
  3. Step 3: Cross multiply
    3,220.48x = 4,829.91 × 2,672.92
  4. Step 4: Simplify right side
    3,220.48x = 12,909,963.04
  5. Step 5: Solve for x
    x = 12,909,963.04/3,220.48
  6. Step 6: Final answer
    x = 4,008.71

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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.