Home / 3,379.41-5,071.68-2,209.10

Finding the Fourth Proportional to 3,379.41, 5,071.68 and 2,209.10

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Solution

The fourth proportional to 3,379.41, 5,071.68 and 2,209.10 is: 3,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.41 : 5,071.68 = 2,209.10 : x
  2. Step 2: Convert to fraction form
    3,379.41/5,071.68 = 2,209.10/x
  3. Step 3: Cross multiply
    3,379.41x = 5,071.68 × 2,209.10
  4. Step 4: Simplify right side
    3,379.41x = 11,203,822.93
  5. Step 5: Solve for x
    x = 11,203,822.93/3,379.41
  6. Step 6: Final answer
    x = 3,315.32

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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.