Home / 2,765.16-4,147.94-1,377.07

Finding the Fourth Proportional to 2,765.16, 4,147.94 and 1,377.07

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Solution

The fourth proportional to 2,765.16, 4,147.94 and 1,377.07 is: 2,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.16 : 4,147.94 = 1,377.07 : x
  2. Step 2: Convert to fraction form
    2,765.16/4,147.94 = 1,377.07/x
  3. Step 3: Cross multiply
    2,765.16x = 4,147.94 × 1,377.07
  4. Step 4: Simplify right side
    2,765.16x = 5,711,996.81
  5. Step 5: Solve for x
    x = 5,711,996.81/2,765.16
  6. Step 6: Final answer
    x = 2,065.70

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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.