Home / 1,226.02-1,839.12-360.37

Finding the Fourth Proportional to 1,226.02, 1,839.12 and 360.37

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Solution

The fourth proportional to 1,226.02, 1,839.12 and 360.37 is: 540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.02 : 1,839.12 = 360.37 : x
  2. Step 2: Convert to fraction form
    1,226.02/1,839.12 = 360.37/x
  3. Step 3: Cross multiply
    1,226.02x = 1,839.12 × 360.37
  4. Step 4: Simplify right side
    1,226.02x = 662,763.67
  5. Step 5: Solve for x
    x = 662,763.67/1,226.02
  6. Step 6: Final answer
    x = 540.58

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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.