Home / 2,731.14-4,096.98-1,087.30

Finding the Fourth Proportional to 2,731.14, 4,096.98 and 1,087.30

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Solution

The fourth proportional to 2,731.14, 4,096.98 and 1,087.30 is: 1,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.14 : 4,096.98 = 1,087.30 : x
  2. Step 2: Convert to fraction form
    2,731.14/4,096.98 = 1,087.30/x
  3. Step 3: Cross multiply
    2,731.14x = 4,096.98 × 1,087.30
  4. Step 4: Simplify right side
    2,731.14x = 4,454,646.35
  5. Step 5: Solve for x
    x = 4,454,646.35/2,731.14
  6. Step 6: Final answer
    x = 1,631.06

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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.