Home / 3,839.86-5,752.40-2,354.75

Finding the Fourth Proportional to 3,839.86, 5,752.40 and 2,354.75

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Solution

The fourth proportional to 3,839.86, 5,752.40 and 2,354.75 is: 3,527.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.86 : 5,752.40 = 2,354.75 : x
  2. Step 2: Convert to fraction form
    3,839.86/5,752.40 = 2,354.75/x
  3. Step 3: Cross multiply
    3,839.86x = 5,752.40 × 2,354.75
  4. Step 4: Simplify right side
    3,839.86x = 13,545,435.14
  5. Step 5: Solve for x
    x = 13,545,435.14/3,839.86
  6. Step 6: Final answer
    x = 3,527.59

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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.