Home / 2,711.47-4,065.62-1,305.27

Finding the Fourth Proportional to 2,711.47, 4,065.62 and 1,305.27

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Solution

The fourth proportional to 2,711.47, 4,065.62 and 1,305.27 is: 1,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.47 : 4,065.62 = 1,305.27 : x
  2. Step 2: Convert to fraction form
    2,711.47/4,065.62 = 1,305.27/x
  3. Step 3: Cross multiply
    2,711.47x = 4,065.62 × 1,305.27
  4. Step 4: Simplify right side
    2,711.47x = 5,306,704.96
  5. Step 5: Solve for x
    x = 5,306,704.96/2,711.47
  6. Step 6: Final answer
    x = 1,957.13

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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.