Home / 1,226.15-1,837.90-533.19

Finding the Fourth Proportional to 1,226.15, 1,837.90 and 533.19

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Solution

The fourth proportional to 1,226.15, 1,837.90 and 533.19 is: 799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.15 : 1,837.90 = 533.19 : x
  2. Step 2: Convert to fraction form
    1,226.15/1,837.90 = 533.19/x
  3. Step 3: Cross multiply
    1,226.15x = 1,837.90 × 533.19
  4. Step 4: Simplify right side
    1,226.15x = 979,949.90
  5. Step 5: Solve for x
    x = 979,949.90/1,226.15
  6. Step 6: Final answer
    x = 799.21

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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.