Home / 3,201.52-4,418.92-2,085.24

Finding the Fourth Proportional to 3,201.52, 4,418.92 and 2,085.24

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Solution

The fourth proportional to 3,201.52, 4,418.92 and 2,085.24 is: 2,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.52 : 4,418.92 = 2,085.24 : x
  2. Step 2: Convert to fraction form
    3,201.52/4,418.92 = 2,085.24/x
  3. Step 3: Cross multiply
    3,201.52x = 4,418.92 × 2,085.24
  4. Step 4: Simplify right side
    3,201.52x = 9,214,508.74
  5. Step 5: Solve for x
    x = 9,214,508.74/3,201.52
  6. Step 6: Final answer
    x = 2,878.17

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1.5x scale

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.