Home / 3,320.94-4,578.75-2,793.90

Finding the Fourth Proportional to 3,320.94, 4,578.75 and 2,793.90

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Solution

The fourth proportional to 3,320.94, 4,578.75 and 2,793.90 is: 3,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.94 : 4,578.75 = 2,793.90 : x
  2. Step 2: Convert to fraction form
    3,320.94/4,578.75 = 2,793.90/x
  3. Step 3: Cross multiply
    3,320.94x = 4,578.75 × 2,793.90
  4. Step 4: Simplify right side
    3,320.94x = 12,792,569.63
  5. Step 5: Solve for x
    x = 12,792,569.63/3,320.94
  6. Step 6: Final answer
    x = 3,852.09

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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.