Home / 1,144.32-1,717.92-1,083.84

Finding the Fourth Proportional to 1,144.32, 1,717.92 and 1,083.84

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Solution

The fourth proportional to 1,144.32, 1,717.92 and 1,083.84 is: 1,627.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144.32 : 1,717.92 = 1,083.84 : x
  2. Step 2: Convert to fraction form
    1,144.32/1,717.92 = 1,083.84/x
  3. Step 3: Cross multiply
    1,144.32x = 1,717.92 × 1,083.84
  4. Step 4: Simplify right side
    1,144.32x = 1,861,950.41
  5. Step 5: Solve for x
    x = 1,861,950.41/1,144.32
  6. Step 6: Final answer
    x = 1,627.12

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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.