Home / 2,206.20-3,039.35-1,890.44

Finding the Fourth Proportional to 2,206.20, 3,039.35 and 1,890.44

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Solution

The fourth proportional to 2,206.20, 3,039.35 and 1,890.44 is: 2,604.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.20 : 3,039.35 = 1,890.44 : x
  2. Step 2: Convert to fraction form
    2,206.20/3,039.35 = 1,890.44/x
  3. Step 3: Cross multiply
    2,206.20x = 3,039.35 × 1,890.44
  4. Step 4: Simplify right side
    2,206.20x = 5,745,684.17
  5. Step 5: Solve for x
    x = 5,745,684.17/2,206.20
  6. Step 6: Final answer
    x = 2,604.34

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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.