Home / 3,715.67-5,127.17-2,223.32

Finding the Fourth Proportional to 3,715.67, 5,127.17 and 2,223.32

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Solution

The fourth proportional to 3,715.67, 5,127.17 and 2,223.32 is: 3,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.67 : 5,127.17 = 2,223.32 : x
  2. Step 2: Convert to fraction form
    3,715.67/5,127.17 = 2,223.32/x
  3. Step 3: Cross multiply
    3,715.67x = 5,127.17 × 2,223.32
  4. Step 4: Simplify right side
    3,715.67x = 11,399,302.85
  5. Step 5: Solve for x
    x = 11,399,302.85/3,715.67
  6. Step 6: Final answer
    x = 3,067.90

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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.