Home / 3,320.78-4,582.41-1,923.62

Finding the Fourth Proportional to 3,320.78, 4,582.41 and 1,923.62

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Solution

The fourth proportional to 3,320.78, 4,582.41 and 1,923.62 is: 2,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.78 : 4,582.41 = 1,923.62 : x
  2. Step 2: Convert to fraction form
    3,320.78/4,582.41 = 1,923.62/x
  3. Step 3: Cross multiply
    3,320.78x = 4,582.41 × 1,923.62
  4. Step 4: Simplify right side
    3,320.78x = 8,814,815.52
  5. Step 5: Solve for x
    x = 8,814,815.52/3,320.78
  6. Step 6: Final answer
    x = 2,654.44

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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.