Home / 2,806.39-4,202.66-2,092.30

Finding the Fourth Proportional to 2,806.39, 4,202.66 and 2,092.30

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Solution

The fourth proportional to 2,806.39, 4,202.66 and 2,092.30 is: 3,133.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.39 : 4,202.66 = 2,092.30 : x
  2. Step 2: Convert to fraction form
    2,806.39/4,202.66 = 2,092.30/x
  3. Step 3: Cross multiply
    2,806.39x = 4,202.66 × 2,092.30
  4. Step 4: Simplify right side
    2,806.39x = 8,793,225.52
  5. Step 5: Solve for x
    x = 8,793,225.52/2,806.39
  6. Step 6: Final answer
    x = 3,133.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.