Home / 3,189.93-4,777.97-1,543.02

Finding the Fourth Proportional to 3,189.93, 4,777.97 and 1,543.02

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Solution

The fourth proportional to 3,189.93, 4,777.97 and 1,543.02 is: 2,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.93 : 4,777.97 = 1,543.02 : x
  2. Step 2: Convert to fraction form
    3,189.93/4,777.97 = 1,543.02/x
  3. Step 3: Cross multiply
    3,189.93x = 4,777.97 × 1,543.02
  4. Step 4: Simplify right side
    3,189.93x = 7,372,503.27
  5. Step 5: Solve for x
    x = 7,372,503.27/3,189.93
  6. Step 6: Final answer
    x = 2,311.18

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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.