Home / 3,621.92-4,999.20-2,503.04

Finding the Fourth Proportional to 3,621.92, 4,999.20 and 2,503.04

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Solution

The fourth proportional to 3,621.92, 4,999.20 and 2,503.04 is: 3,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.92 : 4,999.20 = 2,503.04 : x
  2. Step 2: Convert to fraction form
    3,621.92/4,999.20 = 2,503.04/x
  3. Step 3: Cross multiply
    3,621.92x = 4,999.20 × 2,503.04
  4. Step 4: Simplify right side
    3,621.92x = 12,513,197.57
  5. Step 5: Solve for x
    x = 12,513,197.57/3,621.92
  6. Step 6: Final answer
    x = 3,454.85

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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.