Home / 2,194.40-3,028.22-1,199.66

Finding the Fourth Proportional to 2,194.40, 3,028.22 and 1,199.66

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Solution

The fourth proportional to 2,194.40, 3,028.22 and 1,199.66 is: 1,655.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.40 : 3,028.22 = 1,199.66 : x
  2. Step 2: Convert to fraction form
    2,194.40/3,028.22 = 1,199.66/x
  3. Step 3: Cross multiply
    2,194.40x = 3,028.22 × 1,199.66
  4. Step 4: Simplify right side
    2,194.40x = 3,632,834.41
  5. Step 5: Solve for x
    x = 3,632,834.41/2,194.40
  6. Step 6: Final answer
    x = 1,655.50

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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.