Home / 3,325.13-4,988.83-2,091.09

Finding the Fourth Proportional to 3,325.13, 4,988.83 and 2,091.09

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Solution

The fourth proportional to 3,325.13, 4,988.83 and 2,091.09 is: 3,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.13 : 4,988.83 = 2,091.09 : x
  2. Step 2: Convert to fraction form
    3,325.13/4,988.83 = 2,091.09/x
  3. Step 3: Cross multiply
    3,325.13x = 4,988.83 × 2,091.09
  4. Step 4: Simplify right side
    3,325.13x = 10,432,092.52
  5. Step 5: Solve for x
    x = 10,432,092.52/3,325.13
  6. Step 6: Final answer
    x = 3,137.35

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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.