Home / 4,182.56-5,771.84-2,319.44

Finding the Fourth Proportional to 4,182.56, 5,771.84 and 2,319.44

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Solution

The fourth proportional to 4,182.56, 5,771.84 and 2,319.44 is: 3,200.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.56 : 5,771.84 = 2,319.44 : x
  2. Step 2: Convert to fraction form
    4,182.56/5,771.84 = 2,319.44/x
  3. Step 3: Cross multiply
    4,182.56x = 5,771.84 × 2,319.44
  4. Step 4: Simplify right side
    4,182.56x = 13,387,436.57
  5. Step 5: Solve for x
    x = 13,387,436.57/4,182.56
  6. Step 6: Final answer
    x = 3,200.78

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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.