Home / 1,768.28-2,650.92-1,117.56

Finding the Fourth Proportional to 1,768.28, 2,650.92 and 1,117.56

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Solution

The fourth proportional to 1,768.28, 2,650.92 and 1,117.56 is: 1,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.28 : 2,650.92 = 1,117.56 : x
  2. Step 2: Convert to fraction form
    1,768.28/2,650.92 = 1,117.56/x
  3. Step 3: Cross multiply
    1,768.28x = 2,650.92 × 1,117.56
  4. Step 4: Simplify right side
    1,768.28x = 2,962,562.16
  5. Step 5: Solve for x
    x = 2,962,562.16/1,768.28
  6. Step 6: Final answer
    x = 1,675.39

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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.