Home / 3,296.91-4,549.85-2,221.63

Finding the Fourth Proportional to 3,296.91, 4,549.85 and 2,221.63

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Solution

The fourth proportional to 3,296.91, 4,549.85 and 2,221.63 is: 3,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.91 : 4,549.85 = 2,221.63 : x
  2. Step 2: Convert to fraction form
    3,296.91/4,549.85 = 2,221.63/x
  3. Step 3: Cross multiply
    3,296.91x = 4,549.85 × 2,221.63
  4. Step 4: Simplify right side
    3,296.91x = 10,108,083.26
  5. Step 5: Solve for x
    x = 10,108,083.26/3,296.91
  6. Step 6: Final answer
    x = 3,065.93

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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.