Home / 3,320.25-4,582.56-1,923

Finding the Fourth Proportional to 3,320.25, 4,582.56 and 1,923

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Solution

The fourth proportional to 3,320.25, 4,582.56 and 1,923 is: 2,654.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.25 : 4,582.56 = 1,923 : x
  2. Step 2: Convert to fraction form
    3,320.25/4,582.56 = 1,923/x
  3. Step 3: Cross multiply
    3,320.25x = 4,582.56 × 1,923
  4. Step 4: Simplify right side
    3,320.25x = 8,812,262.88
  5. Step 5: Solve for x
    x = 8,812,262.88/3,320.25
  6. Step 6: Final answer
    x = 2,654.10

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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.