Home / 2,231.97-3,080.01-1,237.16

Finding the Fourth Proportional to 2,231.97, 3,080.01 and 1,237.16

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Solution

The fourth proportional to 2,231.97, 3,080.01 and 1,237.16 is: 1,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.97 : 3,080.01 = 1,237.16 : x
  2. Step 2: Convert to fraction form
    2,231.97/3,080.01 = 1,237.16/x
  3. Step 3: Cross multiply
    2,231.97x = 3,080.01 × 1,237.16
  4. Step 4: Simplify right side
    2,231.97x = 3,810,449.77
  5. Step 5: Solve for x
    x = 3,810,449.77/2,231.97
  6. Step 6: Final answer
    x = 1,707.21

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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.