Home / 2,732.12-4,099.53-1,091.87

Finding the Fourth Proportional to 2,732.12, 4,099.53 and 1,091.87

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Solution

The fourth proportional to 2,732.12, 4,099.53 and 1,091.87 is: 1,638.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.12 : 4,099.53 = 1,091.87 : x
  2. Step 2: Convert to fraction form
    2,732.12/4,099.53 = 1,091.87/x
  3. Step 3: Cross multiply
    2,732.12x = 4,099.53 × 1,091.87
  4. Step 4: Simplify right side
    2,732.12x = 4,476,133.32
  5. Step 5: Solve for x
    x = 4,476,133.32/2,732.12
  6. Step 6: Final answer
    x = 1,638.34

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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.