Home / 3,720.25-5,582.19-1,529.61

Finding the Fourth Proportional to 3,720.25, 5,582.19 and 1,529.61

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Solution

The fourth proportional to 3,720.25, 5,582.19 and 1,529.61 is: 2,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.25 : 5,582.19 = 1,529.61 : x
  2. Step 2: Convert to fraction form
    3,720.25/5,582.19 = 1,529.61/x
  3. Step 3: Cross multiply
    3,720.25x = 5,582.19 × 1,529.61
  4. Step 4: Simplify right side
    3,720.25x = 8,538,573.65
  5. Step 5: Solve for x
    x = 8,538,573.65/3,720.25
  6. Step 6: Final answer
    x = 2,295.16

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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.