Home / 2,726.96-3,762.98-1,531.88

Finding the Fourth Proportional to 2,726.96, 3,762.98 and 1,531.88

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Solution

The fourth proportional to 2,726.96, 3,762.98 and 1,531.88 is: 2,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.96 : 3,762.98 = 1,531.88 : x
  2. Step 2: Convert to fraction form
    2,726.96/3,762.98 = 1,531.88/x
  3. Step 3: Cross multiply
    2,726.96x = 3,762.98 × 1,531.88
  4. Step 4: Simplify right side
    2,726.96x = 5,764,419.87
  5. Step 5: Solve for x
    x = 5,764,419.87/2,726.96
  6. Step 6: Final answer
    x = 2,113.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.