Home / 3,621.20-5,000.10-2,503.40

Finding the Fourth Proportional to 3,621.20, 5,000.10 and 2,503.40

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Solution

The fourth proportional to 3,621.20, 5,000.10 and 2,503.40 is: 3,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.20 : 5,000.10 = 2,503.40 : x
  2. Step 2: Convert to fraction form
    3,621.20/5,000.10 = 2,503.40/x
  3. Step 3: Cross multiply
    3,621.20x = 5,000.10 × 2,503.40
  4. Step 4: Simplify right side
    3,621.20x = 12,517,250.34
  5. Step 5: Solve for x
    x = 12,517,250.34/3,621.20
  6. Step 6: Final answer
    x = 3,456.66

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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.