Home / 3,861.59-5,329.04-2,182.86

Finding the Fourth Proportional to 3,861.59, 5,329.04 and 2,182.86

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Solution

The fourth proportional to 3,861.59, 5,329.04 and 2,182.86 is: 3,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.59 : 5,329.04 = 2,182.86 : x
  2. Step 2: Convert to fraction form
    3,861.59/5,329.04 = 2,182.86/x
  3. Step 3: Cross multiply
    3,861.59x = 5,329.04 × 2,182.86
  4. Step 4: Simplify right side
    3,861.59x = 11,632,537.34
  5. Step 5: Solve for x
    x = 11,632,537.34/3,861.59
  6. Step 6: Final answer
    x = 3,012.37

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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.