Home / 2,237.28-3,087.39-1,242.51

Finding the Fourth Proportional to 2,237.28, 3,087.39 and 1,242.51

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Solution

The fourth proportional to 2,237.28, 3,087.39 and 1,242.51 is: 1,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.28 : 3,087.39 = 1,242.51 : x
  2. Step 2: Convert to fraction form
    2,237.28/3,087.39 = 1,242.51/x
  3. Step 3: Cross multiply
    2,237.28x = 3,087.39 × 1,242.51
  4. Step 4: Simplify right side
    2,237.28x = 3,836,112.95
  5. Step 5: Solve for x
    x = 3,836,112.95/2,237.28
  6. Step 6: Final answer
    x = 1,714.63

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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.