Home / 2,712.29-4,044.67-2,687.65

Finding the Fourth Proportional to 2,712.29, 4,044.67 and 2,687.65

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Solution

The fourth proportional to 2,712.29, 4,044.67 and 2,687.65 is: 4,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.29 : 4,044.67 = 2,687.65 : x
  2. Step 2: Convert to fraction form
    2,712.29/4,044.67 = 2,687.65/x
  3. Step 3: Cross multiply
    2,712.29x = 4,044.67 × 2,687.65
  4. Step 4: Simplify right side
    2,712.29x = 10,870,640.49
  5. Step 5: Solve for x
    x = 10,870,640.49/2,712.29
  6. Step 6: Final answer
    x = 4,007.93

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1.5x scale

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.