Home / 3,247.08-4,478.82-2,002.92

Finding the Fourth Proportional to 3,247.08, 4,478.82 and 2,002.92

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Solution

The fourth proportional to 3,247.08, 4,478.82 and 2,002.92 is: 2,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.08 : 4,478.82 = 2,002.92 : x
  2. Step 2: Convert to fraction form
    3,247.08/4,478.82 = 2,002.92/x
  3. Step 3: Cross multiply
    3,247.08x = 4,478.82 × 2,002.92
  4. Step 4: Simplify right side
    3,247.08x = 8,970,718.15
  5. Step 5: Solve for x
    x = 8,970,718.15/3,247.08
  6. Step 6: Final answer
    x = 2,762.70

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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.