Home / 2,489.57-3,732.62-1,102.15

Finding the Fourth Proportional to 2,489.57, 3,732.62 and 1,102.15

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Solution

The fourth proportional to 2,489.57, 3,732.62 and 1,102.15 is: 1,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.57 : 3,732.62 = 1,102.15 : x
  2. Step 2: Convert to fraction form
    2,489.57/3,732.62 = 1,102.15/x
  3. Step 3: Cross multiply
    2,489.57x = 3,732.62 × 1,102.15
  4. Step 4: Simplify right side
    2,489.57x = 4,113,899.99
  5. Step 5: Solve for x
    x = 4,113,899.99/2,489.57
  6. Step 6: Final answer
    x = 1,652.46

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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.