Home / 1,816.92-2,726.78-1,331.23

Finding the Fourth Proportional to 1,816.92, 2,726.78 and 1,331.23

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Solution

The fourth proportional to 1,816.92, 2,726.78 and 1,331.23 is: 1,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.92 : 2,726.78 = 1,331.23 : x
  2. Step 2: Convert to fraction form
    1,816.92/2,726.78 = 1,331.23/x
  3. Step 3: Cross multiply
    1,816.92x = 2,726.78 × 1,331.23
  4. Step 4: Simplify right side
    1,816.92x = 3,629,971.34
  5. Step 5: Solve for x
    x = 3,629,971.34/1,816.92
  6. Step 6: Final answer
    x = 1,997.87

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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.