Home / 2,334.28-3,221.76-1,340.22

Finding the Fourth Proportional to 2,334.28, 3,221.76 and 1,340.22

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Solution

The fourth proportional to 2,334.28, 3,221.76 and 1,340.22 is: 1,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.28 : 3,221.76 = 1,340.22 : x
  2. Step 2: Convert to fraction form
    2,334.28/3,221.76 = 1,340.22/x
  3. Step 3: Cross multiply
    2,334.28x = 3,221.76 × 1,340.22
  4. Step 4: Simplify right side
    2,334.28x = 4,317,867.19
  5. Step 5: Solve for x
    x = 4,317,867.19/2,334.28
  6. Step 6: Final answer
    x = 1,849.76

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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.