Home / 2,193.48-3,292.38-2,015.28

Finding the Fourth Proportional to 2,193.48, 3,292.38 and 2,015.28

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Solution

The fourth proportional to 2,193.48, 3,292.38 and 2,015.28 is: 3,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.48 : 3,292.38 = 2,015.28 : x
  2. Step 2: Convert to fraction form
    2,193.48/3,292.38 = 2,015.28/x
  3. Step 3: Cross multiply
    2,193.48x = 3,292.38 × 2,015.28
  4. Step 4: Simplify right side
    2,193.48x = 6,635,067.57
  5. Step 5: Solve for x
    x = 6,635,067.57/2,193.48
  6. Step 6: Final answer
    x = 3,024.90

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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.