Home / 3,902.40-5,849.28-2,439.54

Finding the Fourth Proportional to 3,902.40, 5,849.28 and 2,439.54

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Solution

The fourth proportional to 3,902.40, 5,849.28 and 2,439.54 is: 3,656.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.40 : 5,849.28 = 2,439.54 : x
  2. Step 2: Convert to fraction form
    3,902.40/5,849.28 = 2,439.54/x
  3. Step 3: Cross multiply
    3,902.40x = 5,849.28 × 2,439.54
  4. Step 4: Simplify right side
    3,902.40x = 14,269,552.53
  5. Step 5: Solve for x
    x = 14,269,552.53/3,902.40
  6. Step 6: Final answer
    x = 3,656.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.