Home / 3,724.60-5,141.10-2,398.30

Finding the Fourth Proportional to 3,724.60, 5,141.10 and 2,398.30

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Solution

The fourth proportional to 3,724.60, 5,141.10 and 2,398.30 is: 3,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.60 : 5,141.10 = 2,398.30 : x
  2. Step 2: Convert to fraction form
    3,724.60/5,141.10 = 2,398.30/x
  3. Step 3: Cross multiply
    3,724.60x = 5,141.10 × 2,398.30
  4. Step 4: Simplify right side
    3,724.60x = 12,329,900.13
  5. Step 5: Solve for x
    x = 12,329,900.13/3,724.60
  6. Step 6: Final answer
    x = 3,310.40

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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.