Home / 1,176.96-1,753.92-1,107.60

Finding the Fourth Proportional to 1,176.96, 1,753.92 and 1,107.60

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Solution

The fourth proportional to 1,176.96, 1,753.92 and 1,107.60 is: 1,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.96 : 1,753.92 = 1,107.60 : x
  2. Step 2: Convert to fraction form
    1,176.96/1,753.92 = 1,107.60/x
  3. Step 3: Cross multiply
    1,176.96x = 1,753.92 × 1,107.60
  4. Step 4: Simplify right side
    1,176.96x = 1,942,641.79
  5. Step 5: Solve for x
    x = 1,942,641.79/1,176.96
  6. Step 6: Final answer
    x = 1,650.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.