Home / 3,721.38-5,582.85-1,530.09

Finding the Fourth Proportional to 3,721.38, 5,582.85 and 1,530.09

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Solution

The fourth proportional to 3,721.38, 5,582.85 and 1,530.09 is: 2,295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.38 : 5,582.85 = 1,530.09 : x
  2. Step 2: Convert to fraction form
    3,721.38/5,582.85 = 1,530.09/x
  3. Step 3: Cross multiply
    3,721.38x = 5,582.85 × 1,530.09
  4. Step 4: Simplify right side
    3,721.38x = 8,542,262.96
  5. Step 5: Solve for x
    x = 8,542,262.96/3,721.38
  6. Step 6: Final answer
    x = 2,295.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.