Home / 3,065.26-4,229.80-2,071.90

Finding the Fourth Proportional to 3,065.26, 4,229.80 and 2,071.90

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Solution

The fourth proportional to 3,065.26, 4,229.80 and 2,071.90 is: 2,859.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.26 : 4,229.80 = 2,071.90 : x
  2. Step 2: Convert to fraction form
    3,065.26/4,229.80 = 2,071.90/x
  3. Step 3: Cross multiply
    3,065.26x = 4,229.80 × 2,071.90
  4. Step 4: Simplify right side
    3,065.26x = 8,763,722.62
  5. Step 5: Solve for x
    x = 8,763,722.62/3,065.26
  6. Step 6: Final answer
    x = 2,859.05

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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.