Home / 2,449.92-3,379.46-1,785.98

Finding the Fourth Proportional to 2,449.92, 3,379.46 and 1,785.98

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Solution

The fourth proportional to 2,449.92, 3,379.46 and 1,785.98 is: 2,463.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.92 : 3,379.46 = 1,785.98 : x
  2. Step 2: Convert to fraction form
    2,449.92/3,379.46 = 1,785.98/x
  3. Step 3: Cross multiply
    2,449.92x = 3,379.46 × 1,785.98
  4. Step 4: Simplify right side
    2,449.92x = 6,035,647.97
  5. Step 5: Solve for x
    x = 6,035,647.97/2,449.92
  6. Step 6: Final answer
    x = 2,463.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.