Home / 1,384.17-2,065.92-1,160.61

Finding the Fourth Proportional to 1,384.17, 2,065.92 and 1,160.61

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Solution

The fourth proportional to 1,384.17, 2,065.92 and 1,160.61 is: 1,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384.17 : 2,065.92 = 1,160.61 : x
  2. Step 2: Convert to fraction form
    1,384.17/2,065.92 = 1,160.61/x
  3. Step 3: Cross multiply
    1,384.17x = 2,065.92 × 1,160.61
  4. Step 4: Simplify right side
    1,384.17x = 2,397,727.41
  5. Step 5: Solve for x
    x = 2,397,727.41/1,384.17
  6. Step 6: Final answer
    x = 1,732.25

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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.