Home / 2,237.25-3,087.36-1,242.50

Finding the Fourth Proportional to 2,237.25, 3,087.36 and 1,242.50

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Solution

The fourth proportional to 2,237.25, 3,087.36 and 1,242.50 is: 1,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.25 : 3,087.36 = 1,242.50 : x
  2. Step 2: Convert to fraction form
    2,237.25/3,087.36 = 1,242.50/x
  3. Step 3: Cross multiply
    2,237.25x = 3,087.36 × 1,242.50
  4. Step 4: Simplify right side
    2,237.25x = 3,836,044.80
  5. Step 5: Solve for x
    x = 3,836,044.80/2,237.25
  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.