Home / 3,430.26-4,732.20-2,722.38

Finding the Fourth Proportional to 3,430.26, 4,732.20 and 2,722.38

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Solution

The fourth proportional to 3,430.26, 4,732.20 and 2,722.38 is: 3,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.26 : 4,732.20 = 2,722.38 : x
  2. Step 2: Convert to fraction form
    3,430.26/4,732.20 = 2,722.38/x
  3. Step 3: Cross multiply
    3,430.26x = 4,732.20 × 2,722.38
  4. Step 4: Simplify right side
    3,430.26x = 12,882,846.64
  5. Step 5: Solve for x
    x = 12,882,846.64/3,430.26
  6. Step 6: Final answer
    x = 3,755.65

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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.