Home / 1,767.20-2,650.92-1,117.04

Finding the Fourth Proportional to 1,767.20, 2,650.92 and 1,117.04

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Solution

The fourth proportional to 1,767.20, 2,650.92 and 1,117.04 is: 1,675.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.20 : 2,650.92 = 1,117.04 : x
  2. Step 2: Convert to fraction form
    1,767.20/2,650.92 = 1,117.04/x
  3. Step 3: Cross multiply
    1,767.20x = 2,650.92 × 1,117.04
  4. Step 4: Simplify right side
    1,767.20x = 2,961,183.68
  5. Step 5: Solve for x
    x = 2,961,183.68/1,767.20
  6. Step 6: Final answer
    x = 1,675.64

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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.