Home / 2,211.46-3,317.33-750.71

Finding the Fourth Proportional to 2,211.46, 3,317.33 and 750.71

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Solution

The fourth proportional to 2,211.46, 3,317.33 and 750.71 is: 1,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.46 : 3,317.33 = 750.71 : x
  2. Step 2: Convert to fraction form
    2,211.46/3,317.33 = 750.71/x
  3. Step 3: Cross multiply
    2,211.46x = 3,317.33 × 750.71
  4. Step 4: Simplify right side
    2,211.46x = 2,490,362.97
  5. Step 5: Solve for x
    x = 2,490,362.97/2,211.46
  6. Step 6: Final answer
    x = 1,126.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.