Home / 3,324.64-4,981.56-1,764.52

Finding the Fourth Proportional to 3,324.64, 4,981.56 and 1,764.52

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Solution

The fourth proportional to 3,324.64, 4,981.56 and 1,764.52 is: 2,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.64 : 4,981.56 = 1,764.52 : x
  2. Step 2: Convert to fraction form
    3,324.64/4,981.56 = 1,764.52/x
  3. Step 3: Cross multiply
    3,324.64x = 4,981.56 × 1,764.52
  4. Step 4: Simplify right side
    3,324.64x = 8,790,062.25
  5. Step 5: Solve for x
    x = 8,790,062.25/3,324.64
  6. Step 6: Final answer
    x = 2,643.91

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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.