Home / 3,861.15-5,328.96-2,267.73

Finding the Fourth Proportional to 3,861.15, 5,328.96 and 2,267.73

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Solution

The fourth proportional to 3,861.15, 5,328.96 and 2,267.73 is: 3,129.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.15 : 5,328.96 = 2,267.73 : x
  2. Step 2: Convert to fraction form
    3,861.15/5,328.96 = 2,267.73/x
  3. Step 3: Cross multiply
    3,861.15x = 5,328.96 × 2,267.73
  4. Step 4: Simplify right side
    3,861.15x = 12,084,642.46
  5. Step 5: Solve for x
    x = 12,084,642.46/3,861.15
  6. Step 6: Final answer
    x = 3,129.80

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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.