Home / 1,226.44-1,839.84-577.36

Finding the Fourth Proportional to 1,226.44, 1,839.84 and 577.36

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Solution

The fourth proportional to 1,226.44, 1,839.84 and 577.36 is: 866.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.44 : 1,839.84 = 577.36 : x
  2. Step 2: Convert to fraction form
    1,226.44/1,839.84 = 577.36/x
  3. Step 3: Cross multiply
    1,226.44x = 1,839.84 × 577.36
  4. Step 4: Simplify right side
    1,226.44x = 1,062,250.02
  5. Step 5: Solve for x
    x = 1,062,250.02/1,226.44
  6. Step 6: Final answer
    x = 866.12

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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.