Home / 3,141.50-4,711.26-949.55

Finding the Fourth Proportional to 3,141.50, 4,711.26 and 949.55

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Solution

The fourth proportional to 3,141.50, 4,711.26 and 949.55 is: 1,424.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.50 : 4,711.26 = 949.55 : x
  2. Step 2: Convert to fraction form
    3,141.50/4,711.26 = 949.55/x
  3. Step 3: Cross multiply
    3,141.50x = 4,711.26 × 949.55
  4. Step 4: Simplify right side
    3,141.50x = 4,473,576.93
  5. Step 5: Solve for x
    x = 4,473,576.93/3,141.50
  6. Step 6: Final answer
    x = 1,424.03

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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.