Home / 2,177.18-3,003.31-1,379.04

Finding the Fourth Proportional to 2,177.18, 3,003.31 and 1,379.04

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Solution

The fourth proportional to 2,177.18, 3,003.31 and 1,379.04 is: 1,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.18 : 3,003.31 = 1,379.04 : x
  2. Step 2: Convert to fraction form
    2,177.18/3,003.31 = 1,379.04/x
  3. Step 3: Cross multiply
    2,177.18x = 3,003.31 × 1,379.04
  4. Step 4: Simplify right side
    2,177.18x = 4,141,675.08
  5. Step 5: Solve for x
    x = 4,141,675.08/2,177.18
  6. Step 6: Final answer
    x = 1,902.31

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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.