Home / 2,540.76-3,811.06-1,001.76

Finding the Fourth Proportional to 2,540.76, 3,811.06 and 1,001.76

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Solution

The fourth proportional to 2,540.76, 3,811.06 and 1,001.76 is: 1,502.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.76 : 3,811.06 = 1,001.76 : x
  2. Step 2: Convert to fraction form
    2,540.76/3,811.06 = 1,001.76/x
  3. Step 3: Cross multiply
    2,540.76x = 3,811.06 × 1,001.76
  4. Step 4: Simplify right side
    2,540.76x = 3,817,767.47
  5. Step 5: Solve for x
    x = 3,817,767.47/2,540.76
  6. Step 6: Final answer
    x = 1,502.61

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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.