Home / 3,125.28-4,313.46-2,007.62

Finding the Fourth Proportional to 3,125.28, 4,313.46 and 2,007.62

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Solution

The fourth proportional to 3,125.28, 4,313.46 and 2,007.62 is: 2,770.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.28 : 4,313.46 = 2,007.62 : x
  2. Step 2: Convert to fraction form
    3,125.28/4,313.46 = 2,007.62/x
  3. Step 3: Cross multiply
    3,125.28x = 4,313.46 × 2,007.62
  4. Step 4: Simplify right side
    3,125.28x = 8,659,788.57
  5. Step 5: Solve for x
    x = 8,659,788.57/3,125.28
  6. Step 6: Final answer
    x = 2,770.88

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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.