Home / 2,229.03-3,076.44-1,332.81

Finding the Fourth Proportional to 2,229.03, 3,076.44 and 1,332.81

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Solution

The fourth proportional to 2,229.03, 3,076.44 and 1,332.81 is: 1,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.03 : 3,076.44 = 1,332.81 : x
  2. Step 2: Convert to fraction form
    2,229.03/3,076.44 = 1,332.81/x
  3. Step 3: Cross multiply
    2,229.03x = 3,076.44 × 1,332.81
  4. Step 4: Simplify right side
    2,229.03x = 4,100,310.00
  5. Step 5: Solve for x
    x = 4,100,310.00/2,229.03
  6. Step 6: Final answer
    x = 1,839.50

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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.