Home / 2,691.54-4,013.26-2,686.28

Finding the Fourth Proportional to 2,691.54, 4,013.26 and 2,686.28

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Solution

The fourth proportional to 2,691.54, 4,013.26 and 2,686.28 is: 4,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.54 : 4,013.26 = 2,686.28 : x
  2. Step 2: Convert to fraction form
    2,691.54/4,013.26 = 2,686.28/x
  3. Step 3: Cross multiply
    2,691.54x = 4,013.26 × 2,686.28
  4. Step 4: Simplify right side
    2,691.54x = 10,780,713.29
  5. Step 5: Solve for x
    x = 10,780,713.29/2,691.54
  6. Step 6: Final answer
    x = 4,005.41

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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.