Home / 1,377.67-2,063.26-1,146.55

Finding the Fourth Proportional to 1,377.67, 2,063.26 and 1,146.55

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Solution

The fourth proportional to 1,377.67, 2,063.26 and 1,146.55 is: 1,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377.67 : 2,063.26 = 1,146.55 : x
  2. Step 2: Convert to fraction form
    1,377.67/2,063.26 = 1,146.55/x
  3. Step 3: Cross multiply
    1,377.67x = 2,063.26 × 1,146.55
  4. Step 4: Simplify right side
    1,377.67x = 2,365,630.75
  5. Step 5: Solve for x
    x = 2,365,630.75/1,377.67
  6. Step 6: Final answer
    x = 1,717.12

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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.