Home / 3,639.36-5,010.80-3,306.79

Finding the Fourth Proportional to 3,639.36, 5,010.80 and 3,306.79

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Solution

The fourth proportional to 3,639.36, 5,010.80 and 3,306.79 is: 4,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.36 : 5,010.80 = 3,306.79 : x
  2. Step 2: Convert to fraction form
    3,639.36/5,010.80 = 3,306.79/x
  3. Step 3: Cross multiply
    3,639.36x = 5,010.80 × 3,306.79
  4. Step 4: Simplify right side
    3,639.36x = 16,569,646.80
  5. Step 5: Solve for x
    x = 16,569,646.80/3,639.36
  6. Step 6: Final answer
    x = 4,552.90

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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.