Home / 3,320.82-4,581.88-1,904.97

Finding the Fourth Proportional to 3,320.82, 4,581.88 and 1,904.97

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Solution

The fourth proportional to 3,320.82, 4,581.88 and 1,904.97 is: 2,628.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.82 : 4,581.88 = 1,904.97 : x
  2. Step 2: Convert to fraction form
    3,320.82/4,581.88 = 1,904.97/x
  3. Step 3: Cross multiply
    3,320.82x = 4,581.88 × 1,904.97
  4. Step 4: Simplify right side
    3,320.82x = 8,728,333.27
  5. Step 5: Solve for x
    x = 8,728,333.27/3,320.82
  6. Step 6: Final answer
    x = 2,628.36

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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.