Home / 2,135.04-3,203.38-748.52

Finding the Fourth Proportional to 2,135.04, 3,203.38 and 748.52

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Solution

The fourth proportional to 2,135.04, 3,203.38 and 748.52 is: 1,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.04 : 3,203.38 = 748.52 : x
  2. Step 2: Convert to fraction form
    2,135.04/3,203.38 = 748.52/x
  3. Step 3: Cross multiply
    2,135.04x = 3,203.38 × 748.52
  4. Step 4: Simplify right side
    2,135.04x = 2,397,794.00
  5. Step 5: Solve for x
    x = 2,397,794.00/2,135.04
  6. Step 6: Final answer
    x = 1,123.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.