Home / 2,321.92-3,479.04-1,705.87

Finding the Fourth Proportional to 2,321.92, 3,479.04 and 1,705.87

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Solution

The fourth proportional to 2,321.92, 3,479.04 and 1,705.87 is: 2,555.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.92 : 3,479.04 = 1,705.87 : x
  2. Step 2: Convert to fraction form
    2,321.92/3,479.04 = 1,705.87/x
  3. Step 3: Cross multiply
    2,321.92x = 3,479.04 × 1,705.87
  4. Step 4: Simplify right side
    2,321.92x = 5,934,789.96
  5. Step 5: Solve for x
    x = 5,934,789.96/2,321.92
  6. Step 6: Final answer
    x = 2,555.98

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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.