Home / 3,309.11-4,567.28-1,983.59

Finding the Fourth Proportional to 3,309.11, 4,567.28 and 1,983.59

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Solution

The fourth proportional to 3,309.11, 4,567.28 and 1,983.59 is: 2,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.11 : 4,567.28 = 1,983.59 : x
  2. Step 2: Convert to fraction form
    3,309.11/4,567.28 = 1,983.59/x
  3. Step 3: Cross multiply
    3,309.11x = 4,567.28 × 1,983.59
  4. Step 4: Simplify right side
    3,309.11x = 9,059,610.94
  5. Step 5: Solve for x
    x = 9,059,610.94/3,309.11
  6. Step 6: Final answer
    x = 2,737.78

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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.