Home / 3,289.96-4,537.62-2,240.20

Finding the Fourth Proportional to 3,289.96, 4,537.62 and 2,240.20

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Solution

The fourth proportional to 3,289.96, 4,537.62 and 2,240.20 is: 3,089.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.96 : 4,537.62 = 2,240.20 : x
  2. Step 2: Convert to fraction form
    3,289.96/4,537.62 = 2,240.20/x
  3. Step 3: Cross multiply
    3,289.96x = 4,537.62 × 2,240.20
  4. Step 4: Simplify right side
    3,289.96x = 10,165,176.32
  5. Step 5: Solve for x
    x = 10,165,176.32/3,289.96
  6. Step 6: Final answer
    x = 3,089.76

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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.