Home / 2,319.91-3,201.92-1,436.11

Finding the Fourth Proportional to 2,319.91, 3,201.92 and 1,436.11

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Solution

The fourth proportional to 2,319.91, 3,201.92 and 1,436.11 is: 1,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.91 : 3,201.92 = 1,436.11 : x
  2. Step 2: Convert to fraction form
    2,319.91/3,201.92 = 1,436.11/x
  3. Step 3: Cross multiply
    2,319.91x = 3,201.92 × 1,436.11
  4. Step 4: Simplify right side
    2,319.91x = 4,598,309.33
  5. Step 5: Solve for x
    x = 4,598,309.33/2,319.91
  6. Step 6: Final answer
    x = 1,982.11

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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.