Home / 3,338.12-5,006.76-2,101.64

Finding the Fourth Proportional to 3,338.12, 5,006.76 and 2,101.64

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Solution

The fourth proportional to 3,338.12, 5,006.76 and 2,101.64 is: 3,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.12 : 5,006.76 = 2,101.64 : x
  2. Step 2: Convert to fraction form
    3,338.12/5,006.76 = 2,101.64/x
  3. Step 3: Cross multiply
    3,338.12x = 5,006.76 × 2,101.64
  4. Step 4: Simplify right side
    3,338.12x = 10,522,407.09
  5. Step 5: Solve for x
    x = 10,522,407.09/3,338.12
  6. Step 6: Final answer
    x = 3,152.20

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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.