Home / 3,621.79-5,000.49-2,442.43

Finding the Fourth Proportional to 3,621.79, 5,000.49 and 2,442.43

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Solution

The fourth proportional to 3,621.79, 5,000.49 and 2,442.43 is: 3,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.79 : 5,000.49 = 2,442.43 : x
  2. Step 2: Convert to fraction form
    3,621.79/5,000.49 = 2,442.43/x
  3. Step 3: Cross multiply
    3,621.79x = 5,000.49 × 2,442.43
  4. Step 4: Simplify right side
    3,621.79x = 12,213,309.58
  5. Step 5: Solve for x
    x = 12,213,309.58/3,621.79
  6. Step 6: Final answer
    x = 3,372.18

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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.