Home / 2,934.45-4,395.20-2,864.79

Finding the Fourth Proportional to 2,934.45, 4,395.20 and 2,864.79

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Solution

The fourth proportional to 2,934.45, 4,395.20 and 2,864.79 is: 4,290.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.45 : 4,395.20 = 2,864.79 : x
  2. Step 2: Convert to fraction form
    2,934.45/4,395.20 = 2,864.79/x
  3. Step 3: Cross multiply
    2,934.45x = 4,395.20 × 2,864.79
  4. Step 4: Simplify right side
    2,934.45x = 12,591,310.68
  5. Step 5: Solve for x
    x = 12,591,310.68/2,934.45
  6. Step 6: Final answer
    x = 4,290.86

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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.