Home / 2,385.68-3,579.24-1,152.86

Finding the Fourth Proportional to 2,385.68, 3,579.24 and 1,152.86

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Solution

The fourth proportional to 2,385.68, 3,579.24 and 1,152.86 is: 1,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.68 : 3,579.24 = 1,152.86 : x
  2. Step 2: Convert to fraction form
    2,385.68/3,579.24 = 1,152.86/x
  3. Step 3: Cross multiply
    2,385.68x = 3,579.24 × 1,152.86
  4. Step 4: Simplify right side
    2,385.68x = 4,126,344.73
  5. Step 5: Solve for x
    x = 4,126,344.73/2,385.68
  6. Step 6: Final answer
    x = 1,729.63

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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.