Home / 3,049.92-4,203.36-2,911.68

Finding the Fourth Proportional to 3,049.92, 4,203.36 and 2,911.68

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Solution

The fourth proportional to 3,049.92, 4,203.36 and 2,911.68 is: 4,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.92 : 4,203.36 = 2,911.68 : x
  2. Step 2: Convert to fraction form
    3,049.92/4,203.36 = 2,911.68/x
  3. Step 3: Cross multiply
    3,049.92x = 4,203.36 × 2,911.68
  4. Step 4: Simplify right side
    3,049.92x = 12,238,839.24
  5. Step 5: Solve for x
    x = 12,238,839.24/3,049.92
  6. Step 6: Final answer
    x = 4,012.84

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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.