Home / 1,839.89-2,759.84-541.46

Finding the Fourth Proportional to 1,839.89, 2,759.84 and 541.46

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Solution

The fourth proportional to 1,839.89, 2,759.84 and 541.46 is: 812.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.89 : 2,759.84 = 541.46 : x
  2. Step 2: Convert to fraction form
    1,839.89/2,759.84 = 541.46/x
  3. Step 3: Cross multiply
    1,839.89x = 2,759.84 × 541.46
  4. Step 4: Simplify right side
    1,839.89x = 1,494,342.97
  5. Step 5: Solve for x
    x = 1,494,342.97/1,839.89
  6. Step 6: Final answer
    x = 812.19

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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.