Home / 1,226.67-1,839.87-360.99

Finding the Fourth Proportional to 1,226.67, 1,839.87 and 360.99

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Solution

The fourth proportional to 1,226.67, 1,839.87 and 360.99 is: 541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.67 : 1,839.87 = 360.99 : x
  2. Step 2: Convert to fraction form
    1,226.67/1,839.87 = 360.99/x
  3. Step 3: Cross multiply
    1,226.67x = 1,839.87 × 360.99
  4. Step 4: Simplify right side
    1,226.67x = 664,174.67
  5. Step 5: Solve for x
    x = 664,174.67/1,226.67
  6. Step 6: Final answer
    x = 541.45

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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.