Home / 3,487.98-5,231.96-1,539.79

Finding the Fourth Proportional to 3,487.98, 5,231.96 and 1,539.79

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Solution

The fourth proportional to 3,487.98, 5,231.96 and 1,539.79 is: 2,309.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.98 : 5,231.96 = 1,539.79 : x
  2. Step 2: Convert to fraction form
    3,487.98/5,231.96 = 1,539.79/x
  3. Step 3: Cross multiply
    3,487.98x = 5,231.96 × 1,539.79
  4. Step 4: Simplify right side
    3,487.98x = 8,056,132.96
  5. Step 5: Solve for x
    x = 8,056,132.96/3,487.98
  6. Step 6: Final answer
    x = 2,309.69

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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.