Home / 3,608.10-4,979.03-2,191.94

Finding the Fourth Proportional to 3,608.10, 4,979.03 and 2,191.94

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Solution

The fourth proportional to 3,608.10, 4,979.03 and 2,191.94 is: 3,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.10 : 4,979.03 = 2,191.94 : x
  2. Step 2: Convert to fraction form
    3,608.10/4,979.03 = 2,191.94/x
  3. Step 3: Cross multiply
    3,608.10x = 4,979.03 × 2,191.94
  4. Step 4: Simplify right side
    3,608.10x = 10,913,735.02
  5. Step 5: Solve for x
    x = 10,913,735.02/3,608.10
  6. Step 6: Final answer
    x = 3,024.79

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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.