Home / 3,642.10-5,024.55-2,149.90

Finding the Fourth Proportional to 3,642.10, 5,024.55 and 2,149.90

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Solution

The fourth proportional to 3,642.10, 5,024.55 and 2,149.90 is: 2,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.10 : 5,024.55 = 2,149.90 : x
  2. Step 2: Convert to fraction form
    3,642.10/5,024.55 = 2,149.90/x
  3. Step 3: Cross multiply
    3,642.10x = 5,024.55 × 2,149.90
  4. Step 4: Simplify right side
    3,642.10x = 10,802,280.05
  5. Step 5: Solve for x
    x = 10,802,280.05/3,642.10
  6. Step 6: Final answer
    x = 2,965.95

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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.