Home / 2,351.16-3,243.24-1,909.44

Finding the Fourth Proportional to 2,351.16, 3,243.24 and 1,909.44

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Solution

The fourth proportional to 2,351.16, 3,243.24 and 1,909.44 is: 2,633.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.16 : 3,243.24 = 1,909.44 : x
  2. Step 2: Convert to fraction form
    2,351.16/3,243.24 = 1,909.44/x
  3. Step 3: Cross multiply
    2,351.16x = 3,243.24 × 1,909.44
  4. Step 4: Simplify right side
    2,351.16x = 6,192,772.19
  5. Step 5: Solve for x
    x = 6,192,772.19/2,351.16
  6. Step 6: Final answer
    x = 2,633.92

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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.