Home / 2,731.81-3,770.40-1,552.72

Finding the Fourth Proportional to 2,731.81, 3,770.40 and 1,552.72

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Solution

The fourth proportional to 2,731.81, 3,770.40 and 1,552.72 is: 2,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.81 : 3,770.40 = 1,552.72 : x
  2. Step 2: Convert to fraction form
    2,731.81/3,770.40 = 1,552.72/x
  3. Step 3: Cross multiply
    2,731.81x = 3,770.40 × 1,552.72
  4. Step 4: Simplify right side
    2,731.81x = 5,854,375.49
  5. Step 5: Solve for x
    x = 5,854,375.49/2,731.81
  6. Step 6: Final answer
    x = 2,143.04

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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.