Home / 3,823.90-5,741.32-2,839.75

Finding the Fourth Proportional to 3,823.90, 5,741.32 and 2,839.75

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Solution

The fourth proportional to 3,823.90, 5,741.32 and 2,839.75 is: 4,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.90 : 5,741.32 = 2,839.75 : x
  2. Step 2: Convert to fraction form
    3,823.90/5,741.32 = 2,839.75/x
  3. Step 3: Cross multiply
    3,823.90x = 5,741.32 × 2,839.75
  4. Step 4: Simplify right side
    3,823.90x = 16,303,913.47
  5. Step 5: Solve for x
    x = 16,303,913.47/3,823.90
  6. Step 6: Final answer
    x = 4,263.69

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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.