Home / 3,894.23-5,841.28-1,261.82

Finding the Fourth Proportional to 3,894.23, 5,841.28 and 1,261.82

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Solution

The fourth proportional to 3,894.23, 5,841.28 and 1,261.82 is: 1,892.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.23 : 5,841.28 = 1,261.82 : x
  2. Step 2: Convert to fraction form
    3,894.23/5,841.28 = 1,261.82/x
  3. Step 3: Cross multiply
    3,894.23x = 5,841.28 × 1,261.82
  4. Step 4: Simplify right side
    3,894.23x = 7,370,621.70
  5. Step 5: Solve for x
    x = 7,370,621.70/3,894.23
  6. Step 6: Final answer
    x = 1,892.70

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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.