Home / 2,471.31-3,702.86-2,161.03

Finding the Fourth Proportional to 2,471.31, 3,702.86 and 2,161.03

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Solution

The fourth proportional to 2,471.31, 3,702.86 and 2,161.03 is: 3,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.31 : 3,702.86 = 2,161.03 : x
  2. Step 2: Convert to fraction form
    2,471.31/3,702.86 = 2,161.03/x
  3. Step 3: Cross multiply
    2,471.31x = 3,702.86 × 2,161.03
  4. Step 4: Simplify right side
    2,471.31x = 8,001,998.69
  5. Step 5: Solve for x
    x = 8,001,998.69/2,471.31
  6. Step 6: Final answer
    x = 3,237.96

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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.