Home / 1,976.24-2,726.36-1,136.75

Finding the Fourth Proportional to 1,976.24, 2,726.36 and 1,136.75

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Solution

The fourth proportional to 1,976.24, 2,726.36 and 1,136.75 is: 1,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.24 : 2,726.36 = 1,136.75 : x
  2. Step 2: Convert to fraction form
    1,976.24/2,726.36 = 1,136.75/x
  3. Step 3: Cross multiply
    1,976.24x = 2,726.36 × 1,136.75
  4. Step 4: Simplify right side
    1,976.24x = 3,099,170.41
  5. Step 5: Solve for x
    x = 3,099,170.41/1,976.24
  6. Step 6: Final answer
    x = 1,568.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.