Home / 2,206.02-3,309.75-819.48

Finding the Fourth Proportional to 2,206.02, 3,309.75 and 819.48

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Solution

The fourth proportional to 2,206.02, 3,309.75 and 819.48 is: 1,229.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.02 : 3,309.75 = 819.48 : x
  2. Step 2: Convert to fraction form
    2,206.02/3,309.75 = 819.48/x
  3. Step 3: Cross multiply
    2,206.02x = 3,309.75 × 819.48
  4. Step 4: Simplify right side
    2,206.02x = 2,712,273.93
  5. Step 5: Solve for x
    x = 2,712,273.93/2,206.02
  6. Step 6: Final answer
    x = 1,229.49

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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.