Home / 2,135.45-3,201.09-1,024.55

Finding the Fourth Proportional to 2,135.45, 3,201.09 and 1,024.55

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Solution

The fourth proportional to 2,135.45, 3,201.09 and 1,024.55 is: 1,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.45 : 3,201.09 = 1,024.55 : x
  2. Step 2: Convert to fraction form
    2,135.45/3,201.09 = 1,024.55/x
  3. Step 3: Cross multiply
    2,135.45x = 3,201.09 × 1,024.55
  4. Step 4: Simplify right side
    2,135.45x = 3,279,668.92
  5. Step 5: Solve for x
    x = 3,279,668.92/2,135.45
  6. Step 6: Final answer
    x = 1,535.82

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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.