Home / 3,148.29-4,339.50-2,516.79

Finding the Fourth Proportional to 3,148.29, 4,339.50 and 2,516.79

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Solution

The fourth proportional to 3,148.29, 4,339.50 and 2,516.79 is: 3,469.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.29 : 4,339.50 = 2,516.79 : x
  2. Step 2: Convert to fraction form
    3,148.29/4,339.50 = 2,516.79/x
  3. Step 3: Cross multiply
    3,148.29x = 4,339.50 × 2,516.79
  4. Step 4: Simplify right side
    3,148.29x = 10,921,610.21
  5. Step 5: Solve for x
    x = 10,921,610.21/3,148.29
  6. Step 6: Final answer
    x = 3,469.06

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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.