Home / 3,861.22-5,788.59-2,217.19

Finding the Fourth Proportional to 3,861.22, 5,788.59 and 2,217.19

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Solution

The fourth proportional to 3,861.22, 5,788.59 and 2,217.19 is: 3,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.22 : 5,788.59 = 2,217.19 : x
  2. Step 2: Convert to fraction form
    3,861.22/5,788.59 = 2,217.19/x
  3. Step 3: Cross multiply
    3,861.22x = 5,788.59 × 2,217.19
  4. Step 4: Simplify right side
    3,861.22x = 12,834,403.86
  5. Step 5: Solve for x
    x = 12,834,403.86/3,861.22
  6. Step 6: Final answer
    x = 3,323.92

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1.5x scale

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.