Home / 2,227.18-3,073.53-1,283.17

Finding the Fourth Proportional to 2,227.18, 3,073.53 and 1,283.17

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Solution

The fourth proportional to 2,227.18, 3,073.53 and 1,283.17 is: 1,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.18 : 3,073.53 = 1,283.17 : x
  2. Step 2: Convert to fraction form
    2,227.18/3,073.53 = 1,283.17/x
  3. Step 3: Cross multiply
    2,227.18x = 3,073.53 × 1,283.17
  4. Step 4: Simplify right side
    2,227.18x = 3,943,861.49
  5. Step 5: Solve for x
    x = 3,943,861.49/2,227.18
  6. Step 6: Final answer
    x = 1,770.79

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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.