Home / 3,391.42-5,073.55-2,934.12

Finding the Fourth Proportional to 3,391.42, 5,073.55 and 2,934.12

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Solution

The fourth proportional to 3,391.42, 5,073.55 and 2,934.12 is: 4,389.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.42 : 5,073.55 = 2,934.12 : x
  2. Step 2: Convert to fraction form
    3,391.42/5,073.55 = 2,934.12/x
  3. Step 3: Cross multiply
    3,391.42x = 5,073.55 × 2,934.12
  4. Step 4: Simplify right side
    3,391.42x = 14,886,404.53
  5. Step 5: Solve for x
    x = 14,886,404.53/3,391.42
  6. Step 6: Final answer
    x = 4,389.43

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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.