Home / 3,339.30-4,609.20-2,012.76

Finding the Fourth Proportional to 3,339.30, 4,609.20 and 2,012.76

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Solution

The fourth proportional to 3,339.30, 4,609.20 and 2,012.76 is: 2,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.30 : 4,609.20 = 2,012.76 : x
  2. Step 2: Convert to fraction form
    3,339.30/4,609.20 = 2,012.76/x
  3. Step 3: Cross multiply
    3,339.30x = 4,609.20 × 2,012.76
  4. Step 4: Simplify right side
    3,339.30x = 9,277,213.39
  5. Step 5: Solve for x
    x = 9,277,213.39/3,339.30
  6. Step 6: Final answer
    x = 2,778.19

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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.