Home / 2,220.93-3,346.43-1,839.56

Finding the Fourth Proportional to 2,220.93, 3,346.43 and 1,839.56

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Solution

The fourth proportional to 2,220.93, 3,346.43 and 1,839.56 is: 2,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.93 : 3,346.43 = 1,839.56 : x
  2. Step 2: Convert to fraction form
    2,220.93/3,346.43 = 1,839.56/x
  3. Step 3: Cross multiply
    2,220.93x = 3,346.43 × 1,839.56
  4. Step 4: Simplify right side
    2,220.93x = 6,155,932.84
  5. Step 5: Solve for x
    x = 6,155,932.84/2,220.93
  6. Step 6: Final answer
    x = 2,771.78

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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.