Home / 1,226.09-1,839.18-360.41

Finding the Fourth Proportional to 1,226.09, 1,839.18 and 360.41

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Solution

The fourth proportional to 1,226.09, 1,839.18 and 360.41 is: 540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.09 : 1,839.18 = 360.41 : x
  2. Step 2: Convert to fraction form
    1,226.09/1,839.18 = 360.41/x
  3. Step 3: Cross multiply
    1,226.09x = 1,839.18 × 360.41
  4. Step 4: Simplify right side
    1,226.09x = 662,849.67
  5. Step 5: Solve for x
    x = 662,849.67/1,226.09
  6. Step 6: Final answer
    x = 540.62

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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.