Home / 2,726.40-4,090.24-1,082.88

Finding the Fourth Proportional to 2,726.40, 4,090.24 and 1,082.88

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Solution

The fourth proportional to 2,726.40, 4,090.24 and 1,082.88 is: 1,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.40 : 4,090.24 = 1,082.88 : x
  2. Step 2: Convert to fraction form
    2,726.40/4,090.24 = 1,082.88/x
  3. Step 3: Cross multiply
    2,726.40x = 4,090.24 × 1,082.88
  4. Step 4: Simplify right side
    2,726.40x = 4,429,239.09
  5. Step 5: Solve for x
    x = 4,429,239.09/2,726.40
  6. Step 6: Final answer
    x = 1,624.57

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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.