Home / 3,723.72-5,585.56-1,415.24

Finding the Fourth Proportional to 3,723.72, 5,585.56 and 1,415.24

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Solution

The fourth proportional to 3,723.72, 5,585.56 and 1,415.24 is: 2,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.72 : 5,585.56 = 1,415.24 : x
  2. Step 2: Convert to fraction form
    3,723.72/5,585.56 = 1,415.24/x
  3. Step 3: Cross multiply
    3,723.72x = 5,585.56 × 1,415.24
  4. Step 4: Simplify right side
    3,723.72x = 7,904,907.93
  5. Step 5: Solve for x
    x = 7,904,907.93/3,723.72
  6. Step 6: Final answer
    x = 2,122.85

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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.