Home / 2,726.76-4,085.64-1,684.56

Finding the Fourth Proportional to 2,726.76, 4,085.64 and 1,684.56

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Solution

The fourth proportional to 2,726.76, 4,085.64 and 1,684.56 is: 2,524.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.76 : 4,085.64 = 1,684.56 : x
  2. Step 2: Convert to fraction form
    2,726.76/4,085.64 = 1,684.56/x
  3. Step 3: Cross multiply
    2,726.76x = 4,085.64 × 1,684.56
  4. Step 4: Simplify right side
    2,726.76x = 6,882,505.72
  5. Step 5: Solve for x
    x = 6,882,505.72/2,726.76
  6. Step 6: Final answer
    x = 2,524.06

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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.