Home / 2,665.17-3,997.67-1,104.75

Finding the Fourth Proportional to 2,665.17, 3,997.67 and 1,104.75

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Solution

The fourth proportional to 2,665.17, 3,997.67 and 1,104.75 is: 1,657.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665.17 : 3,997.67 = 1,104.75 : x
  2. Step 2: Convert to fraction form
    2,665.17/3,997.67 = 1,104.75/x
  3. Step 3: Cross multiply
    2,665.17x = 3,997.67 × 1,104.75
  4. Step 4: Simplify right side
    2,665.17x = 4,416,420.41
  5. Step 5: Solve for x
    x = 4,416,420.41/2,665.17
  6. Step 6: Final answer
    x = 1,657.09

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1.5x scale

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.