Home / 3,961.65-5,948.47-3,146.53

Finding the Fourth Proportional to 3,961.65, 5,948.47 and 3,146.53

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Solution

The fourth proportional to 3,961.65, 5,948.47 and 3,146.53 is: 4,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.65 : 5,948.47 = 3,146.53 : x
  2. Step 2: Convert to fraction form
    3,961.65/5,948.47 = 3,146.53/x
  3. Step 3: Cross multiply
    3,961.65x = 5,948.47 × 3,146.53
  4. Step 4: Simplify right side
    3,961.65x = 18,717,039.31
  5. Step 5: Solve for x
    x = 18,717,039.31/3,961.65
  6. Step 6: Final answer
    x = 4,724.56

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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.