Home / 3,249.80-4,484.34-1,923.20

Finding the Fourth Proportional to 3,249.80, 4,484.34 and 1,923.20

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Solution

The fourth proportional to 3,249.80, 4,484.34 and 1,923.20 is: 2,653.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.80 : 4,484.34 = 1,923.20 : x
  2. Step 2: Convert to fraction form
    3,249.80/4,484.34 = 1,923.20/x
  3. Step 3: Cross multiply
    3,249.80x = 4,484.34 × 1,923.20
  4. Step 4: Simplify right side
    3,249.80x = 8,624,282.69
  5. Step 5: Solve for x
    x = 8,624,282.69/3,249.80
  6. Step 6: Final answer
    x = 2,653.79

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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.