Home / 3,414.26-5,123.28-3,166.40

Finding the Fourth Proportional to 3,414.26, 5,123.28 and 3,166.40

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Solution

The fourth proportional to 3,414.26, 5,123.28 and 3,166.40 is: 4,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.26 : 5,123.28 = 3,166.40 : x
  2. Step 2: Convert to fraction form
    3,414.26/5,123.28 = 3,166.40/x
  3. Step 3: Cross multiply
    3,414.26x = 5,123.28 × 3,166.40
  4. Step 4: Simplify right side
    3,414.26x = 16,222,353.79
  5. Step 5: Solve for x
    x = 16,222,353.79/3,414.26
  6. Step 6: Final answer
    x = 4,751.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.