Home / 3,764.27-5,191.42-2,822.19

Finding the Fourth Proportional to 3,764.27, 5,191.42 and 2,822.19

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Solution

The fourth proportional to 3,764.27, 5,191.42 and 2,822.19 is: 3,892.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.27 : 5,191.42 = 2,822.19 : x
  2. Step 2: Convert to fraction form
    3,764.27/5,191.42 = 2,822.19/x
  3. Step 3: Cross multiply
    3,764.27x = 5,191.42 × 2,822.19
  4. Step 4: Simplify right side
    3,764.27x = 14,651,173.61
  5. Step 5: Solve for x
    x = 14,651,173.61/3,764.27
  6. Step 6: Final answer
    x = 3,892.17

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Double scale
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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.