Home / 2,807.26-3,892.71-2,713.85

Finding the Fourth Proportional to 2,807.26, 3,892.71 and 2,713.85

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Solution

The fourth proportional to 2,807.26, 3,892.71 and 2,713.85 is: 3,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.26 : 3,892.71 = 2,713.85 : x
  2. Step 2: Convert to fraction form
    2,807.26/3,892.71 = 2,713.85/x
  3. Step 3: Cross multiply
    2,807.26x = 3,892.71 × 2,713.85
  4. Step 4: Simplify right side
    2,807.26x = 10,564,242.98
  5. Step 5: Solve for x
    x = 10,564,242.98/2,807.26
  6. Step 6: Final answer
    x = 3,763.19

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.