Home / 3,132.72-4,687.24-1,946.96

Finding the Fourth Proportional to 3,132.72, 4,687.24 and 1,946.96

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Solution

The fourth proportional to 3,132.72, 4,687.24 and 1,946.96 is: 2,913.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.72 : 4,687.24 = 1,946.96 : x
  2. Step 2: Convert to fraction form
    3,132.72/4,687.24 = 1,946.96/x
  3. Step 3: Cross multiply
    3,132.72x = 4,687.24 × 1,946.96
  4. Step 4: Simplify right side
    3,132.72x = 9,125,868.79
  5. Step 5: Solve for x
    x = 9,125,868.79/3,132.72
  6. Step 6: Final answer
    x = 2,913.08

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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.