Home / 1,839.46-2,759.11-452.79

Finding the Fourth Proportional to 1,839.46, 2,759.11 and 452.79

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Solution

The fourth proportional to 1,839.46, 2,759.11 and 452.79 is: 679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.46 : 2,759.11 = 452.79 : x
  2. Step 2: Convert to fraction form
    1,839.46/2,759.11 = 452.79/x
  3. Step 3: Cross multiply
    1,839.46x = 2,759.11 × 452.79
  4. Step 4: Simplify right side
    1,839.46x = 1,249,298.83
  5. Step 5: Solve for x
    x = 1,249,298.83/1,839.46
  6. Step 6: Final answer
    x = 679.17

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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.