Home / 3,348.75-4,621.40-2,022.20

Finding the Fourth Proportional to 3,348.75, 4,621.40 and 2,022.20

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Solution

The fourth proportional to 3,348.75, 4,621.40 and 2,022.20 is: 2,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.75 : 4,621.40 = 2,022.20 : x
  2. Step 2: Convert to fraction form
    3,348.75/4,621.40 = 2,022.20/x
  3. Step 3: Cross multiply
    3,348.75x = 4,621.40 × 2,022.20
  4. Step 4: Simplify right side
    3,348.75x = 9,345,395.08
  5. Step 5: Solve for x
    x = 9,345,395.08/3,348.75
  6. Step 6: Final answer
    x = 2,790.71

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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.