Home / 2,335.50-3,222.68-1,340.60

Finding the Fourth Proportional to 2,335.50, 3,222.68 and 1,340.60

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Solution

The fourth proportional to 2,335.50, 3,222.68 and 1,340.60 is: 1,849.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.50 : 3,222.68 = 1,340.60 : x
  2. Step 2: Convert to fraction form
    2,335.50/3,222.68 = 1,340.60/x
  3. Step 3: Cross multiply
    2,335.50x = 3,222.68 × 1,340.60
  4. Step 4: Simplify right side
    2,335.50x = 4,320,301.99
  5. Step 5: Solve for x
    x = 4,320,301.99/2,335.50
  6. Step 6: Final answer
    x = 1,849.84

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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.