Home / 3,485.72-5,229.95-1,536.56

Finding the Fourth Proportional to 3,485.72, 5,229.95 and 1,536.56

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Solution

The fourth proportional to 3,485.72, 5,229.95 and 1,536.56 is: 2,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.72 : 5,229.95 = 1,536.56 : x
  2. Step 2: Convert to fraction form
    3,485.72/5,229.95 = 1,536.56/x
  3. Step 3: Cross multiply
    3,485.72x = 5,229.95 × 1,536.56
  4. Step 4: Simplify right side
    3,485.72x = 8,036,131.97
  5. Step 5: Solve for x
    x = 8,036,131.97/3,485.72
  6. Step 6: Final answer
    x = 2,305.44

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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.