Home / 2,861.31-3,948.36-1,601.97

Finding the Fourth Proportional to 2,861.31, 3,948.36 and 1,601.97

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Solution

The fourth proportional to 2,861.31, 3,948.36 and 1,601.97 is: 2,210.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.31 : 3,948.36 = 1,601.97 : x
  2. Step 2: Convert to fraction form
    2,861.31/3,948.36 = 1,601.97/x
  3. Step 3: Cross multiply
    2,861.31x = 3,948.36 × 1,601.97
  4. Step 4: Simplify right side
    2,861.31x = 6,325,154.27
  5. Step 5: Solve for x
    x = 6,325,154.27/2,861.31
  6. Step 6: Final answer
    x = 2,210.58

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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.