Home / 3,414.93-5,131.65-1,856.08

Finding the Fourth Proportional to 3,414.93, 5,131.65 and 1,856.08

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Solution

The fourth proportional to 3,414.93, 5,131.65 and 1,856.08 is: 2,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.93 : 5,131.65 = 1,856.08 : x
  2. Step 2: Convert to fraction form
    3,414.93/5,131.65 = 1,856.08/x
  3. Step 3: Cross multiply
    3,414.93x = 5,131.65 × 1,856.08
  4. Step 4: Simplify right side
    3,414.93x = 9,524,766.31
  5. Step 5: Solve for x
    x = 9,524,766.31/3,414.93
  6. Step 6: Final answer
    x = 2,789.16

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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.