Home / 2,320.79-3,481.57-1,150.85

Finding the Fourth Proportional to 2,320.79, 3,481.57 and 1,150.85

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Solution

The fourth proportional to 2,320.79, 3,481.57 and 1,150.85 is: 1,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.79 : 3,481.57 = 1,150.85 : x
  2. Step 2: Convert to fraction form
    2,320.79/3,481.57 = 1,150.85/x
  3. Step 3: Cross multiply
    2,320.79x = 3,481.57 × 1,150.85
  4. Step 4: Simplify right side
    2,320.79x = 4,006,759.01
  5. Step 5: Solve for x
    x = 4,006,759.01/2,320.79
  6. Step 6: Final answer
    x = 1,726.47

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1.5x scale

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.