Home / 3,320.68-4,582.38-1,923.88

Finding the Fourth Proportional to 3,320.68, 4,582.38 and 1,923.88

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Solution

The fourth proportional to 3,320.68, 4,582.38 and 1,923.88 is: 2,654.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.68 : 4,582.38 = 1,923.88 : x
  2. Step 2: Convert to fraction form
    3,320.68/4,582.38 = 1,923.88/x
  3. Step 3: Cross multiply
    3,320.68x = 4,582.38 × 1,923.88
  4. Step 4: Simplify right side
    3,320.68x = 8,815,949.23
  5. Step 5: Solve for x
    x = 8,815,949.23/3,320.68
  6. Step 6: Final answer
    x = 2,654.86

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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.