Home / 1,226.21-1,837.52-568.29

Finding the Fourth Proportional to 1,226.21, 1,837.52 and 568.29

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Solution

The fourth proportional to 1,226.21, 1,837.52 and 568.29 is: 851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.21 : 1,837.52 = 568.29 : x
  2. Step 2: Convert to fraction form
    1,226.21/1,837.52 = 568.29/x
  3. Step 3: Cross multiply
    1,226.21x = 1,837.52 × 568.29
  4. Step 4: Simplify right side
    1,226.21x = 1,044,238.77
  5. Step 5: Solve for x
    x = 1,044,238.77/1,226.21
  6. Step 6: Final answer
    x = 851.60

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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.