Home / 3,217.07-4,462.26-3,131.71

Finding the Fourth Proportional to 3,217.07, 4,462.26 and 3,131.71

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Solution

The fourth proportional to 3,217.07, 4,462.26 and 3,131.71 is: 4,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.07 : 4,462.26 = 3,131.71 : x
  2. Step 2: Convert to fraction form
    3,217.07/4,462.26 = 3,131.71/x
  3. Step 3: Cross multiply
    3,217.07x = 4,462.26 × 3,131.71
  4. Step 4: Simplify right side
    3,217.07x = 13,974,506.47
  5. Step 5: Solve for x
    x = 13,974,506.47/3,217.07
  6. Step 6: Final answer
    x = 4,343.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.