Home / 3,316.08-4,974.89-1,236.09

Finding the Fourth Proportional to 3,316.08, 4,974.89 and 1,236.09

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Solution

The fourth proportional to 3,316.08, 4,974.89 and 1,236.09 is: 1,854.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.08 : 4,974.89 = 1,236.09 : x
  2. Step 2: Convert to fraction form
    3,316.08/4,974.89 = 1,236.09/x
  3. Step 3: Cross multiply
    3,316.08x = 4,974.89 × 1,236.09
  4. Step 4: Simplify right side
    3,316.08x = 6,149,411.78
  5. Step 5: Solve for x
    x = 6,149,411.78/3,316.08
  6. Step 6: Final answer
    x = 1,854.42

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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.