Home / 1,839.89-2,758.79-606.96

Finding the Fourth Proportional to 1,839.89, 2,758.79 and 606.96

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Solution

The fourth proportional to 1,839.89, 2,758.79 and 606.96 is: 910.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.89 : 2,758.79 = 606.96 : x
  2. Step 2: Convert to fraction form
    1,839.89/2,758.79 = 606.96/x
  3. Step 3: Cross multiply
    1,839.89x = 2,758.79 × 606.96
  4. Step 4: Simplify right side
    1,839.89x = 1,674,472.14
  5. Step 5: Solve for x
    x = 1,674,472.14/1,839.89
  6. Step 6: Final answer
    x = 910.10

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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.