Home / 3,804.40-5,250.06-2,125.81

Finding the Fourth Proportional to 3,804.40, 5,250.06 and 2,125.81

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Solution

The fourth proportional to 3,804.40, 5,250.06 and 2,125.81 is: 2,933.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.40 : 5,250.06 = 2,125.81 : x
  2. Step 2: Convert to fraction form
    3,804.40/5,250.06 = 2,125.81/x
  3. Step 3: Cross multiply
    3,804.40x = 5,250.06 × 2,125.81
  4. Step 4: Simplify right side
    3,804.40x = 11,160,630.05
  5. Step 5: Solve for x
    x = 11,160,630.05/3,804.40
  6. Step 6: Final answer
    x = 2,933.61

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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.