Home / 3,386.78-4,673.75-2,207.85

Finding the Fourth Proportional to 3,386.78, 4,673.75 and 2,207.85

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Solution

The fourth proportional to 3,386.78, 4,673.75 and 2,207.85 is: 3,046.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.78 : 4,673.75 = 2,207.85 : x
  2. Step 2: Convert to fraction form
    3,386.78/4,673.75 = 2,207.85/x
  3. Step 3: Cross multiply
    3,386.78x = 4,673.75 × 2,207.85
  4. Step 4: Simplify right side
    3,386.78x = 10,318,942.15
  5. Step 5: Solve for x
    x = 10,318,942.15/3,386.78
  6. Step 6: Final answer
    x = 3,046.83

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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.