Home / 1,486.05-2,227.25-835.43

Finding the Fourth Proportional to 1,486.05, 2,227.25 and 835.43

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Solution

The fourth proportional to 1,486.05, 2,227.25 and 835.43 is: 1,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.05 : 2,227.25 = 835.43 : x
  2. Step 2: Convert to fraction form
    1,486.05/2,227.25 = 835.43/x
  3. Step 3: Cross multiply
    1,486.05x = 2,227.25 × 835.43
  4. Step 4: Simplify right side
    1,486.05x = 1,860,696.15
  5. Step 5: Solve for x
    x = 1,860,696.15/1,486.05
  6. Step 6: Final answer
    x = 1,252.11

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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.