Home / 2,429.92-3,645.60-1,197.76

Finding the Fourth Proportional to 2,429.92, 3,645.60 and 1,197.76

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Solution

The fourth proportional to 2,429.92, 3,645.60 and 1,197.76 is: 1,796.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.92 : 3,645.60 = 1,197.76 : x
  2. Step 2: Convert to fraction form
    2,429.92/3,645.60 = 1,197.76/x
  3. Step 3: Cross multiply
    2,429.92x = 3,645.60 × 1,197.76
  4. Step 4: Simplify right side
    2,429.92x = 4,366,553.86
  5. Step 5: Solve for x
    x = 4,366,553.86/2,429.92
  6. Step 6: Final answer
    x = 1,796.99

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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.