Home / 3,154.14-4,353.35-1,974.38

Finding the Fourth Proportional to 3,154.14, 4,353.35 and 1,974.38

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Solution

The fourth proportional to 3,154.14, 4,353.35 and 1,974.38 is: 2,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.14 : 4,353.35 = 1,974.38 : x
  2. Step 2: Convert to fraction form
    3,154.14/4,353.35 = 1,974.38/x
  3. Step 3: Cross multiply
    3,154.14x = 4,353.35 × 1,974.38
  4. Step 4: Simplify right side
    3,154.14x = 8,595,135.53
  5. Step 5: Solve for x
    x = 8,595,135.53/3,154.14
  6. Step 6: Final answer
    x = 2,725.03

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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.