Home / 2,206.74-3,323.24-1,921.62

Finding the Fourth Proportional to 2,206.74, 3,323.24 and 1,921.62

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Solution

The fourth proportional to 2,206.74, 3,323.24 and 1,921.62 is: 2,893.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.74 : 3,323.24 = 1,921.62 : x
  2. Step 2: Convert to fraction form
    2,206.74/3,323.24 = 1,921.62/x
  3. Step 3: Cross multiply
    2,206.74x = 3,323.24 × 1,921.62
  4. Step 4: Simplify right side
    2,206.74x = 6,385,994.84
  5. Step 5: Solve for x
    x = 6,385,994.84/2,206.74
  6. Step 6: Final answer
    x = 2,893.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.