Home / 2,856.13-3,939.96-2,325.62

Finding the Fourth Proportional to 2,856.13, 3,939.96 and 2,325.62

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Solution

The fourth proportional to 2,856.13, 3,939.96 and 2,325.62 is: 3,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.13 : 3,939.96 = 2,325.62 : x
  2. Step 2: Convert to fraction form
    2,856.13/3,939.96 = 2,325.62/x
  3. Step 3: Cross multiply
    2,856.13x = 3,939.96 × 2,325.62
  4. Step 4: Simplify right side
    2,856.13x = 9,162,833.10
  5. Step 5: Solve for x
    x = 9,162,833.10/2,856.13
  6. Step 6: Final answer
    x = 3,208.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.