Home / 3,425.89-4,730.38-2,231.45

Finding the Fourth Proportional to 3,425.89, 4,730.38 and 2,231.45

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Solution

The fourth proportional to 3,425.89, 4,730.38 and 2,231.45 is: 3,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.89 : 4,730.38 = 2,231.45 : x
  2. Step 2: Convert to fraction form
    3,425.89/4,730.38 = 2,231.45/x
  3. Step 3: Cross multiply
    3,425.89x = 4,730.38 × 2,231.45
  4. Step 4: Simplify right side
    3,425.89x = 10,555,582.80
  5. Step 5: Solve for x
    x = 10,555,582.80/3,425.89
  6. Step 6: Final answer
    x = 3,081.12

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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.