Home / 3,938.59-5,879.06-3,471.53

Finding the Fourth Proportional to 3,938.59, 5,879.06 and 3,471.53

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Solution

The fourth proportional to 3,938.59, 5,879.06 and 3,471.53 is: 5,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.59 : 5,879.06 = 3,471.53 : x
  2. Step 2: Convert to fraction form
    3,938.59/5,879.06 = 3,471.53/x
  3. Step 3: Cross multiply
    3,938.59x = 5,879.06 × 3,471.53
  4. Step 4: Simplify right side
    3,938.59x = 20,409,318.95
  5. Step 5: Solve for x
    x = 20,409,318.95/3,938.59
  6. Step 6: Final answer
    x = 5,181.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.