Home / 2,850.32-4,277.32-1,388.68

Finding the Fourth Proportional to 2,850.32, 4,277.32 and 1,388.68

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Solution

The fourth proportional to 2,850.32, 4,277.32 and 1,388.68 is: 2,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.32 : 4,277.32 = 1,388.68 : x
  2. Step 2: Convert to fraction form
    2,850.32/4,277.32 = 1,388.68/x
  3. Step 3: Cross multiply
    2,850.32x = 4,277.32 × 1,388.68
  4. Step 4: Simplify right side
    2,850.32x = 5,939,822.38
  5. Step 5: Solve for x
    x = 5,939,822.38/2,850.32
  6. Step 6: Final answer
    x = 2,083.91

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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.