Home / 1,226.17-1,839.12-360.49

Finding the Fourth Proportional to 1,226.17, 1,839.12 and 360.49

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Solution

The fourth proportional to 1,226.17, 1,839.12 and 360.49 is: 540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.17 : 1,839.12 = 360.49 : x
  2. Step 2: Convert to fraction form
    1,226.17/1,839.12 = 360.49/x
  3. Step 3: Cross multiply
    1,226.17x = 1,839.12 × 360.49
  4. Step 4: Simplify right side
    1,226.17x = 662,984.37
  5. Step 5: Solve for x
    x = 662,984.37/1,226.17
  6. Step 6: Final answer
    x = 540.70

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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.