Home / 3,738.31-5,158.11-2,340.25

Finding the Fourth Proportional to 3,738.31, 5,158.11 and 2,340.25

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Solution

The fourth proportional to 3,738.31, 5,158.11 and 2,340.25 is: 3,229.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.31 : 5,158.11 = 2,340.25 : x
  2. Step 2: Convert to fraction form
    3,738.31/5,158.11 = 2,340.25/x
  3. Step 3: Cross multiply
    3,738.31x = 5,158.11 × 2,340.25
  4. Step 4: Simplify right side
    3,738.31x = 12,071,266.93
  5. Step 5: Solve for x
    x = 12,071,266.93/3,738.31
  6. Step 6: Final answer
    x = 3,229.07

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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.