Home / 3,060.14-4,221.38-1,879.16

Finding the Fourth Proportional to 3,060.14, 4,221.38 and 1,879.16

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Solution

The fourth proportional to 3,060.14, 4,221.38 and 1,879.16 is: 2,592.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.14 : 4,221.38 = 1,879.16 : x
  2. Step 2: Convert to fraction form
    3,060.14/4,221.38 = 1,879.16/x
  3. Step 3: Cross multiply
    3,060.14x = 4,221.38 × 1,879.16
  4. Step 4: Simplify right side
    3,060.14x = 7,932,632.03
  5. Step 5: Solve for x
    x = 7,932,632.03/3,060.14
  6. Step 6: Final answer
    x = 2,592.25

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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.