Home / 3,715.16-5,126.98-2,223.14

Finding the Fourth Proportional to 3,715.16, 5,126.98 and 2,223.14

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Solution

The fourth proportional to 3,715.16, 5,126.98 and 2,223.14 is: 3,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.16 : 5,126.98 = 2,223.14 : x
  2. Step 2: Convert to fraction form
    3,715.16/5,126.98 = 2,223.14/x
  3. Step 3: Cross multiply
    3,715.16x = 5,126.98 × 2,223.14
  4. Step 4: Simplify right side
    3,715.16x = 11,397,996.13
  5. Step 5: Solve for x
    x = 11,397,996.13/3,715.16
  6. Step 6: Final answer
    x = 3,067.97

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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.