Home / 3,338.78-4,608.06-3,191.14

Finding the Fourth Proportional to 3,338.78, 4,608.06 and 3,191.14

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Solution

The fourth proportional to 3,338.78, 4,608.06 and 3,191.14 is: 4,404.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.78 : 4,608.06 = 3,191.14 : x
  2. Step 2: Convert to fraction form
    3,338.78/4,608.06 = 3,191.14/x
  3. Step 3: Cross multiply
    3,338.78x = 4,608.06 × 3,191.14
  4. Step 4: Simplify right side
    3,338.78x = 14,704,941.55
  5. Step 5: Solve for x
    x = 14,704,941.55/3,338.78
  6. Step 6: Final answer
    x = 4,404.29

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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.