Home / 3,309.49-4,567.12-1,983.99

Finding the Fourth Proportional to 3,309.49, 4,567.12 and 1,983.99

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Solution

The fourth proportional to 3,309.49, 4,567.12 and 1,983.99 is: 2,737.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.49 : 4,567.12 = 1,983.99 : x
  2. Step 2: Convert to fraction form
    3,309.49/4,567.12 = 1,983.99/x
  3. Step 3: Cross multiply
    3,309.49x = 4,567.12 × 1,983.99
  4. Step 4: Simplify right side
    3,309.49x = 9,061,132.58
  5. Step 5: Solve for x
    x = 9,061,132.58/3,309.49
  6. Step 6: Final answer
    x = 2,737.92

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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.