Home / 2,028.41-2,799.23-1,144.23

Finding the Fourth Proportional to 2,028.41, 2,799.23 and 1,144.23

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Solution

The fourth proportional to 2,028.41, 2,799.23 and 1,144.23 is: 1,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.41 : 2,799.23 = 1,144.23 : x
  2. Step 2: Convert to fraction form
    2,028.41/2,799.23 = 1,144.23/x
  3. Step 3: Cross multiply
    2,028.41x = 2,799.23 × 1,144.23
  4. Step 4: Simplify right side
    2,028.41x = 3,202,957.22
  5. Step 5: Solve for x
    x = 3,202,957.22/2,028.41
  6. Step 6: Final answer
    x = 1,579.05

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Half scale
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Double scale
Find fourth proportional to 2,029.41, 2,800.61 and 1,145.23
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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.