Home / 2,586.80-3,874.03-1,488.86

Finding the Fourth Proportional to 2,586.80, 3,874.03 and 1,488.86

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Solution

The fourth proportional to 2,586.80, 3,874.03 and 1,488.86 is: 2,229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.80 : 3,874.03 = 1,488.86 : x
  2. Step 2: Convert to fraction form
    2,586.80/3,874.03 = 1,488.86/x
  3. Step 3: Cross multiply
    2,586.80x = 3,874.03 × 1,488.86
  4. Step 4: Simplify right side
    2,586.80x = 5,767,879.74
  5. Step 5: Solve for x
    x = 5,767,879.74/2,586.80
  6. Step 6: Final answer
    x = 2,229.73

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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.