Home / 4,182.62-5,771.79-2,319.50

Finding the Fourth Proportional to 4,182.62, 5,771.79 and 2,319.50

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Solution

The fourth proportional to 4,182.62, 5,771.79 and 2,319.50 is: 3,200.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.62 : 5,771.79 = 2,319.50 : x
  2. Step 2: Convert to fraction form
    4,182.62/5,771.79 = 2,319.50/x
  3. Step 3: Cross multiply
    4,182.62x = 5,771.79 × 2,319.50
  4. Step 4: Simplify right side
    4,182.62x = 13,387,666.91
  5. Step 5: Solve for x
    x = 13,387,666.91/4,182.62
  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.