Home / 3,141.07-4,711.60-949.68

Finding the Fourth Proportional to 3,141.07, 4,711.60 and 949.68

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Solution

The fourth proportional to 3,141.07, 4,711.60 and 949.68 is: 1,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.07 : 4,711.60 = 949.68 : x
  2. Step 2: Convert to fraction form
    3,141.07/4,711.60 = 949.68/x
  3. Step 3: Cross multiply
    3,141.07x = 4,711.60 × 949.68
  4. Step 4: Simplify right side
    3,141.07x = 4,474,513.48
  5. Step 5: Solve for x
    x = 4,474,513.48/3,141.07
  6. Step 6: Final answer
    x = 1,424.52

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Similar ratio
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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.