Home / 3,190.17-4,778.34-1,543.26

Finding the Fourth Proportional to 3,190.17, 4,778.34 and 1,543.26

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Solution

The fourth proportional to 3,190.17, 4,778.34 and 1,543.26 is: 2,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.17 : 4,778.34 = 1,543.26 : x
  2. Step 2: Convert to fraction form
    3,190.17/4,778.34 = 1,543.26/x
  3. Step 3: Cross multiply
    3,190.17x = 4,778.34 × 1,543.26
  4. Step 4: Simplify right side
    3,190.17x = 7,374,220.99
  5. Step 5: Solve for x
    x = 7,374,220.99/3,190.17
  6. Step 6: Final answer
    x = 2,311.54

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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.