Home / 2,979.36-4,489.84-2,552.16

Finding the Fourth Proportional to 2,979.36, 4,489.84 and 2,552.16

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Solution

The fourth proportional to 2,979.36, 4,489.84 and 2,552.16 is: 3,846.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.36 : 4,489.84 = 2,552.16 : x
  2. Step 2: Convert to fraction form
    2,979.36/4,489.84 = 2,552.16/x
  3. Step 3: Cross multiply
    2,979.36x = 4,489.84 × 2,552.16
  4. Step 4: Simplify right side
    2,979.36x = 11,458,790.05
  5. Step 5: Solve for x
    x = 11,458,790.05/2,979.36
  6. Step 6: Final answer
    x = 3,846.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.