Home / 2,400.92-3,600.80-919.83

Finding the Fourth Proportional to 2,400.92, 3,600.80 and 919.83

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Solution

The fourth proportional to 2,400.92, 3,600.80 and 919.83 is: 1,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.92 : 3,600.80 = 919.83 : x
  2. Step 2: Convert to fraction form
    2,400.92/3,600.80 = 919.83/x
  3. Step 3: Cross multiply
    2,400.92x = 3,600.80 × 919.83
  4. Step 4: Simplify right side
    2,400.92x = 3,312,123.86
  5. Step 5: Solve for x
    x = 3,312,123.86/2,400.92
  6. Step 6: Final answer
    x = 1,379.52

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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.