Home / 2,180.24-3,009.16-1,249.36

Finding the Fourth Proportional to 2,180.24, 3,009.16 and 1,249.36

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Solution

The fourth proportional to 2,180.24, 3,009.16 and 1,249.36 is: 1,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.24 : 3,009.16 = 1,249.36 : x
  2. Step 2: Convert to fraction form
    2,180.24/3,009.16 = 1,249.36/x
  3. Step 3: Cross multiply
    2,180.24x = 3,009.16 × 1,249.36
  4. Step 4: Simplify right side
    2,180.24x = 3,759,524.14
  5. Step 5: Solve for x
    x = 3,759,524.14/2,180.24
  6. Step 6: Final answer
    x = 1,724.36

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,181.24, 3,010.54 and 1,250.36
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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.