Home / 3,309.05-4,566.15-1,982.72

Finding the Fourth Proportional to 3,309.05, 4,566.15 and 1,982.72

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Solution

The fourth proportional to 3,309.05, 4,566.15 and 1,982.72 is: 2,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.05 : 4,566.15 = 1,982.72 : x
  2. Step 2: Convert to fraction form
    3,309.05/4,566.15 = 1,982.72/x
  3. Step 3: Cross multiply
    3,309.05x = 4,566.15 × 1,982.72
  4. Step 4: Simplify right side
    3,309.05x = 9,053,408.34
  5. Step 5: Solve for x
    x = 9,053,408.34/3,309.05
  6. Step 6: Final answer
    x = 2,735.95

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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.