Home / 1,486.73-2,226.45-1,023.21

Finding the Fourth Proportional to 1,486.73, 2,226.45 and 1,023.21

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Solution

The fourth proportional to 1,486.73, 2,226.45 and 1,023.21 is: 1,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.73 : 2,226.45 = 1,023.21 : x
  2. Step 2: Convert to fraction form
    1,486.73/2,226.45 = 1,023.21/x
  3. Step 3: Cross multiply
    1,486.73x = 2,226.45 × 1,023.21
  4. Step 4: Simplify right side
    1,486.73x = 2,278,125.90
  5. Step 5: Solve for x
    x = 2,278,125.90/1,486.73
  6. Step 6: Final answer
    x = 1,532.31

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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.