Home / 2,666.40-3,997.44-1,204.62

Finding the Fourth Proportional to 2,666.40, 3,997.44 and 1,204.62

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Solution

The fourth proportional to 2,666.40, 3,997.44 and 1,204.62 is: 1,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.40 : 3,997.44 = 1,204.62 : x
  2. Step 2: Convert to fraction form
    2,666.40/3,997.44 = 1,204.62/x
  3. Step 3: Cross multiply
    2,666.40x = 3,997.44 × 1,204.62
  4. Step 4: Simplify right side
    2,666.40x = 4,815,396.17
  5. Step 5: Solve for x
    x = 4,815,396.17/2,666.40
  6. Step 6: Final answer
    x = 1,805.95

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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.