Home / 3,428.65-4,733.85-2,251.72

Finding the Fourth Proportional to 3,428.65, 4,733.85 and 2,251.72

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Solution

The fourth proportional to 3,428.65, 4,733.85 and 2,251.72 is: 3,108.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.65 : 4,733.85 = 2,251.72 : x
  2. Step 2: Convert to fraction form
    3,428.65/4,733.85 = 2,251.72/x
  3. Step 3: Cross multiply
    3,428.65x = 4,733.85 × 2,251.72
  4. Step 4: Simplify right side
    3,428.65x = 10,659,304.72
  5. Step 5: Solve for x
    x = 10,659,304.72/3,428.65
  6. Step 6: Final answer
    x = 3,108.89

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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.