Home / 3,856.06-5,781.30-2,292.35

Finding the Fourth Proportional to 3,856.06, 5,781.30 and 2,292.35

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Solution

The fourth proportional to 3,856.06, 5,781.30 and 2,292.35 is: 3,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856.06 : 5,781.30 = 2,292.35 : x
  2. Step 2: Convert to fraction form
    3,856.06/5,781.30 = 2,292.35/x
  3. Step 3: Cross multiply
    3,856.06x = 5,781.30 × 2,292.35
  4. Step 4: Simplify right side
    3,856.06x = 13,252,763.06
  5. Step 5: Solve for x
    x = 13,252,763.06/3,856.06
  6. Step 6: Final answer
    x = 3,436.87

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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.