Home / 3,115.03-4,295.49-2,406.97

Finding the Fourth Proportional to 3,115.03, 4,295.49 and 2,406.97

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Solution

The fourth proportional to 3,115.03, 4,295.49 and 2,406.97 is: 3,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.03 : 4,295.49 = 2,406.97 : x
  2. Step 2: Convert to fraction form
    3,115.03/4,295.49 = 2,406.97/x
  3. Step 3: Cross multiply
    3,115.03x = 4,295.49 × 2,406.97
  4. Step 4: Simplify right side
    3,115.03x = 10,339,115.57
  5. Step 5: Solve for x
    x = 10,339,115.57/3,115.03
  6. Step 6: Final answer
    x = 3,319.11

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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.