Home / 3,320.32-4,581.94-1,904.23

Finding the Fourth Proportional to 3,320.32, 4,581.94 and 1,904.23

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Solution

The fourth proportional to 3,320.32, 4,581.94 and 1,904.23 is: 2,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.32 : 4,581.94 = 1,904.23 : x
  2. Step 2: Convert to fraction form
    3,320.32/4,581.94 = 1,904.23/x
  3. Step 3: Cross multiply
    3,320.32x = 4,581.94 × 1,904.23
  4. Step 4: Simplify right side
    3,320.32x = 8,725,067.61
  5. Step 5: Solve for x
    x = 8,725,067.61/3,320.32
  6. Step 6: Final answer
    x = 2,627.78

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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.