Home / 3,320.45-4,582.23-1,994.17

Finding the Fourth Proportional to 3,320.45, 4,582.23 and 1,994.17

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Solution

The fourth proportional to 3,320.45, 4,582.23 and 1,994.17 is: 2,751.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.45 : 4,582.23 = 1,994.17 : x
  2. Step 2: Convert to fraction form
    3,320.45/4,582.23 = 1,994.17/x
  3. Step 3: Cross multiply
    3,320.45x = 4,582.23 × 1,994.17
  4. Step 4: Simplify right side
    3,320.45x = 9,137,759.92
  5. Step 5: Solve for x
    x = 9,137,759.92/3,320.45
  6. Step 6: Final answer
    x = 2,751.97

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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.