Home / 3,375.08-5,071.14-2,143.08

Finding the Fourth Proportional to 3,375.08, 5,071.14 and 2,143.08

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Solution

The fourth proportional to 3,375.08, 5,071.14 and 2,143.08 is: 3,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.08 : 5,071.14 = 2,143.08 : x
  2. Step 2: Convert to fraction form
    3,375.08/5,071.14 = 2,143.08/x
  3. Step 3: Cross multiply
    3,375.08x = 5,071.14 × 2,143.08
  4. Step 4: Simplify right side
    3,375.08x = 10,867,858.71
  5. Step 5: Solve for x
    x = 10,867,858.71/3,375.08
  6. Step 6: Final answer
    x = 3,220.03

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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.