Home / 1,650.12-2,472.44-1,160.78

Finding the Fourth Proportional to 1,650.12, 2,472.44 and 1,160.78

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Solution

The fourth proportional to 1,650.12, 2,472.44 and 1,160.78 is: 1,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.12 : 2,472.44 = 1,160.78 : x
  2. Step 2: Convert to fraction form
    1,650.12/2,472.44 = 1,160.78/x
  3. Step 3: Cross multiply
    1,650.12x = 2,472.44 × 1,160.78
  4. Step 4: Simplify right side
    1,650.12x = 2,869,958.90
  5. Step 5: Solve for x
    x = 2,869,958.90/1,650.12
  6. Step 6: Final answer
    x = 1,739.24

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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.