Home / 2,691.44-4,013.61-2,666.84

Finding the Fourth Proportional to 2,691.44, 4,013.61 and 2,666.84

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Solution

The fourth proportional to 2,691.44, 4,013.61 and 2,666.84 is: 3,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.44 : 4,013.61 = 2,666.84 : x
  2. Step 2: Convert to fraction form
    2,691.44/4,013.61 = 2,666.84/x
  3. Step 3: Cross multiply
    2,691.44x = 4,013.61 × 2,666.84
  4. Step 4: Simplify right side
    2,691.44x = 10,703,625.62
  5. Step 5: Solve for x
    x = 10,703,625.62/2,691.44
  6. Step 6: Final answer
    x = 3,976.92

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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.