Home / 2,440.98-3,639.96-2,149.92

Finding the Fourth Proportional to 2,440.98, 3,639.96 and 2,149.92

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Solution

The fourth proportional to 2,440.98, 3,639.96 and 2,149.92 is: 3,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.98 : 3,639.96 = 2,149.92 : x
  2. Step 2: Convert to fraction form
    2,440.98/3,639.96 = 2,149.92/x
  3. Step 3: Cross multiply
    2,440.98x = 3,639.96 × 2,149.92
  4. Step 4: Simplify right side
    2,440.98x = 7,825,622.80
  5. Step 5: Solve for x
    x = 7,825,622.80/2,440.98
  6. Step 6: Final answer
    x = 3,205.93

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Half scale
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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.