Home / 2,237.31-3,087.49-1,242.68

Finding the Fourth Proportional to 2,237.31, 3,087.49 and 1,242.68

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Solution

The fourth proportional to 2,237.31, 3,087.49 and 1,242.68 is: 1,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.31 : 3,087.49 = 1,242.68 : x
  2. Step 2: Convert to fraction form
    2,237.31/3,087.49 = 1,242.68/x
  3. Step 3: Cross multiply
    2,237.31x = 3,087.49 × 1,242.68
  4. Step 4: Simplify right side
    2,237.31x = 3,836,754.52
  5. Step 5: Solve for x
    x = 3,836,754.52/2,237.31
  6. Step 6: Final answer
    x = 1,714.90

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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.