Home / 1,839.30-2,759.15-606.48

Finding the Fourth Proportional to 1,839.30, 2,759.15 and 606.48

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Solution

The fourth proportional to 1,839.30, 2,759.15 and 606.48 is: 909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.30 : 2,759.15 = 606.48 : x
  2. Step 2: Convert to fraction form
    1,839.30/2,759.15 = 606.48/x
  3. Step 3: Cross multiply
    1,839.30x = 2,759.15 × 606.48
  4. Step 4: Simplify right side
    1,839.30x = 1,673,369.29
  5. Step 5: Solve for x
    x = 1,673,369.29/1,839.30
  6. Step 6: Final answer
    x = 909.79

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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.