Home / 1,232.46-1,849.22-655.20

Finding the Fourth Proportional to 1,232.46, 1,849.22 and 655.20

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Solution

The fourth proportional to 1,232.46, 1,849.22 and 655.20 is: 983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.46 : 1,849.22 = 655.20 : x
  2. Step 2: Convert to fraction form
    1,232.46/1,849.22 = 655.20/x
  3. Step 3: Cross multiply
    1,232.46x = 1,849.22 × 655.20
  4. Step 4: Simplify right side
    1,232.46x = 1,211,608.94
  5. Step 5: Solve for x
    x = 1,211,608.94/1,232.46
  6. Step 6: Final answer
    x = 983.08

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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.