Home / 2,376.82-3,565.68-1,078.39

Finding the Fourth Proportional to 2,376.82, 3,565.68 and 1,078.39

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Solution

The fourth proportional to 2,376.82, 3,565.68 and 1,078.39 is: 1,617.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.82 : 3,565.68 = 1,078.39 : x
  2. Step 2: Convert to fraction form
    2,376.82/3,565.68 = 1,078.39/x
  3. Step 3: Cross multiply
    2,376.82x = 3,565.68 × 1,078.39
  4. Step 4: Simplify right side
    2,376.82x = 3,845,193.66
  5. Step 5: Solve for x
    x = 3,845,193.66/2,376.82
  6. Step 6: Final answer
    x = 1,617.79

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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.