Home / 3,386.50-4,673.46-2,209.66

Finding the Fourth Proportional to 3,386.50, 4,673.46 and 2,209.66

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Solution

The fourth proportional to 3,386.50, 4,673.46 and 2,209.66 is: 3,049.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.50 : 4,673.46 = 2,209.66 : x
  2. Step 2: Convert to fraction form
    3,386.50/4,673.46 = 2,209.66/x
  3. Step 3: Cross multiply
    3,386.50x = 4,673.46 × 2,209.66
  4. Step 4: Simplify right side
    3,386.50x = 10,326,757.62
  5. Step 5: Solve for x
    x = 10,326,757.62/3,386.50
  6. Step 6: Final answer
    x = 3,049.39

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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.