Home / 2,231.88-3,079.83-1,237.14

Finding the Fourth Proportional to 2,231.88, 3,079.83 and 1,237.14

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Solution

The fourth proportional to 2,231.88, 3,079.83 and 1,237.14 is: 1,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.88 : 3,079.83 = 1,237.14 : x
  2. Step 2: Convert to fraction form
    2,231.88/3,079.83 = 1,237.14/x
  3. Step 3: Cross multiply
    2,231.88x = 3,079.83 × 1,237.14
  4. Step 4: Simplify right side
    2,231.88x = 3,810,174.70
  5. Step 5: Solve for x
    x = 3,810,174.70/2,231.88
  6. Step 6: Final answer
    x = 1,707.16

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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.