Home / 2,218.12-3,327.36-737.34

Finding the Fourth Proportional to 2,218.12, 3,327.36 and 737.34

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Solution

The fourth proportional to 2,218.12, 3,327.36 and 737.34 is: 1,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.12 : 3,327.36 = 737.34 : x
  2. Step 2: Convert to fraction form
    2,218.12/3,327.36 = 737.34/x
  3. Step 3: Cross multiply
    2,218.12x = 3,327.36 × 737.34
  4. Step 4: Simplify right side
    2,218.12x = 2,453,395.62
  5. Step 5: Solve for x
    x = 2,453,395.62/2,218.12
  6. Step 6: Final answer
    x = 1,106.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.