Home / 3,188.90-4,781.04-1,608.62

Finding the Fourth Proportional to 3,188.90, 4,781.04 and 1,608.62

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Solution

The fourth proportional to 3,188.90, 4,781.04 and 1,608.62 is: 2,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.90 : 4,781.04 = 1,608.62 : x
  2. Step 2: Convert to fraction form
    3,188.90/4,781.04 = 1,608.62/x
  3. Step 3: Cross multiply
    3,188.90x = 4,781.04 × 1,608.62
  4. Step 4: Simplify right side
    3,188.90x = 7,690,852.66
  5. Step 5: Solve for x
    x = 7,690,852.66/3,188.90
  6. Step 6: Final answer
    x = 2,411.76

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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.