Home / 2,211.60-3,314.06-1,479.87

Finding the Fourth Proportional to 2,211.60, 3,314.06 and 1,479.87

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Solution

The fourth proportional to 2,211.60, 3,314.06 and 1,479.87 is: 2,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.60 : 3,314.06 = 1,479.87 : x
  2. Step 2: Convert to fraction form
    2,211.60/3,314.06 = 1,479.87/x
  3. Step 3: Cross multiply
    2,211.60x = 3,314.06 × 1,479.87
  4. Step 4: Simplify right side
    2,211.60x = 4,904,370.57
  5. Step 5: Solve for x
    x = 4,904,370.57/2,211.60
  6. Step 6: Final answer
    x = 2,217.57

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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.