Home / 1,226.76-1,839.90-360.84

Finding the Fourth Proportional to 1,226.76, 1,839.90 and 360.84

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Solution

The fourth proportional to 1,226.76, 1,839.90 and 360.84 is: 541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.76 : 1,839.90 = 360.84 : x
  2. Step 2: Convert to fraction form
    1,226.76/1,839.90 = 360.84/x
  3. Step 3: Cross multiply
    1,226.76x = 1,839.90 × 360.84
  4. Step 4: Simplify right side
    1,226.76x = 663,909.52
  5. Step 5: Solve for x
    x = 663,909.52/1,226.76
  6. Step 6: Final answer
    x = 541.19

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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.