Home / 3,306.18-4,936.55-3,218.70

Finding the Fourth Proportional to 3,306.18, 4,936.55 and 3,218.70

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Solution

The fourth proportional to 3,306.18, 4,936.55 and 3,218.70 is: 4,805.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.18 : 4,936.55 = 3,218.70 : x
  2. Step 2: Convert to fraction form
    3,306.18/4,936.55 = 3,218.70/x
  3. Step 3: Cross multiply
    3,306.18x = 4,936.55 × 3,218.70
  4. Step 4: Simplify right side
    3,306.18x = 15,889,257.39
  5. Step 5: Solve for x
    x = 15,889,257.39/3,306.18
  6. Step 6: Final answer
    x = 4,805.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.