Home / 3,715.17-5,126.79-2,222.31

Finding the Fourth Proportional to 3,715.17, 5,126.79 and 2,222.31

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Solution

The fourth proportional to 3,715.17, 5,126.79 and 2,222.31 is: 3,066.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.17 : 5,126.79 = 2,222.31 : x
  2. Step 2: Convert to fraction form
    3,715.17/5,126.79 = 2,222.31/x
  3. Step 3: Cross multiply
    3,715.17x = 5,126.79 × 2,222.31
  4. Step 4: Simplify right side
    3,715.17x = 11,393,329.82
  5. Step 5: Solve for x
    x = 11,393,329.82/3,715.17
  6. Step 6: Final answer
    x = 3,066.71

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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.