Home / 2,635.44-3,946.68-1,663.44

Finding the Fourth Proportional to 2,635.44, 3,946.68 and 1,663.44

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Solution

The fourth proportional to 2,635.44, 3,946.68 and 1,663.44 is: 2,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.44 : 3,946.68 = 1,663.44 : x
  2. Step 2: Convert to fraction form
    2,635.44/3,946.68 = 1,663.44/x
  3. Step 3: Cross multiply
    2,635.44x = 3,946.68 × 1,663.44
  4. Step 4: Simplify right side
    2,635.44x = 6,565,065.38
  5. Step 5: Solve for x
    x = 6,565,065.38/2,635.44
  6. Step 6: Final answer
    x = 2,491.07

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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.