Home / 2,060.75-2,843.84-1,129.25

Finding the Fourth Proportional to 2,060.75, 2,843.84 and 1,129.25

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Solution

The fourth proportional to 2,060.75, 2,843.84 and 1,129.25 is: 1,558.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060.75 : 2,843.84 = 1,129.25 : x
  2. Step 2: Convert to fraction form
    2,060.75/2,843.84 = 1,129.25/x
  3. Step 3: Cross multiply
    2,060.75x = 2,843.84 × 1,129.25
  4. Step 4: Simplify right side
    2,060.75x = 3,211,406.32
  5. Step 5: Solve for x
    x = 3,211,406.32/2,060.75
  6. Step 6: Final answer
    x = 1,558.37

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Half scale
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Double scale
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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.