Home / 3,804.60-5,249.78-2,126.08

Finding the Fourth Proportional to 3,804.60, 5,249.78 and 2,126.08

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Solution

The fourth proportional to 3,804.60, 5,249.78 and 2,126.08 is: 2,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.60 : 5,249.78 = 2,126.08 : x
  2. Step 2: Convert to fraction form
    3,804.60/5,249.78 = 2,126.08/x
  3. Step 3: Cross multiply
    3,804.60x = 5,249.78 × 2,126.08
  4. Step 4: Simplify right side
    3,804.60x = 11,161,456.17
  5. Step 5: Solve for x
    x = 11,161,456.17/3,804.60
  6. Step 6: Final answer
    x = 2,933.67

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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.