Home / 3,845.95-5,768.91-1,248.88

Finding the Fourth Proportional to 3,845.95, 5,768.91 and 1,248.88

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Solution

The fourth proportional to 3,845.95, 5,768.91 and 1,248.88 is: 1,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.95 : 5,768.91 = 1,248.88 : x
  2. Step 2: Convert to fraction form
    3,845.95/5,768.91 = 1,248.88/x
  3. Step 3: Cross multiply
    3,845.95x = 5,768.91 × 1,248.88
  4. Step 4: Simplify right side
    3,845.95x = 7,204,647.48
  5. Step 5: Solve for x
    x = 7,204,647.48/3,845.95
  6. Step 6: Final answer
    x = 1,873.31

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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.