Home / 2,487.11-3,732.08-1,100.39

Finding the Fourth Proportional to 2,487.11, 3,732.08 and 1,100.39

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Solution

The fourth proportional to 2,487.11, 3,732.08 and 1,100.39 is: 1,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.11 : 3,732.08 = 1,100.39 : x
  2. Step 2: Convert to fraction form
    2,487.11/3,732.08 = 1,100.39/x
  3. Step 3: Cross multiply
    2,487.11x = 3,732.08 × 1,100.39
  4. Step 4: Simplify right side
    2,487.11x = 4,106,719.35
  5. Step 5: Solve for x
    x = 4,106,719.35/2,487.11
  6. Step 6: Final answer
    x = 1,651.20

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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.