Home / 3,739.37-5,608.85-1,142.30

Finding the Fourth Proportional to 3,739.37, 5,608.85 and 1,142.30

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Solution

The fourth proportional to 3,739.37, 5,608.85 and 1,142.30 is: 1,713.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.37 : 5,608.85 = 1,142.30 : x
  2. Step 2: Convert to fraction form
    3,739.37/5,608.85 = 1,142.30/x
  3. Step 3: Cross multiply
    3,739.37x = 5,608.85 × 1,142.30
  4. Step 4: Simplify right side
    3,739.37x = 6,406,997.67
  5. Step 5: Solve for x
    x = 6,406,997.67/3,739.37
  6. Step 6: Final answer
    x = 1,713.39

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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.