Home / 3,842.98-5,765.70-1,377.76

Finding the Fourth Proportional to 3,842.98, 5,765.70 and 1,377.76

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Solution

The fourth proportional to 3,842.98, 5,765.70 and 1,377.76 is: 2,067.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.98 : 5,765.70 = 1,377.76 : x
  2. Step 2: Convert to fraction form
    3,842.98/5,765.70 = 1,377.76/x
  3. Step 3: Cross multiply
    3,842.98x = 5,765.70 × 1,377.76
  4. Step 4: Simplify right side
    3,842.98x = 7,943,750.83
  5. Step 5: Solve for x
    x = 7,943,750.83/3,842.98
  6. Step 6: Final answer
    x = 2,067.08

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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.