Home / 3,190.72-4,394.24-2,572.96

Finding the Fourth Proportional to 3,190.72, 4,394.24 and 2,572.96

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Solution

The fourth proportional to 3,190.72, 4,394.24 and 2,572.96 is: 3,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.72 : 4,394.24 = 2,572.96 : x
  2. Step 2: Convert to fraction form
    3,190.72/4,394.24 = 2,572.96/x
  3. Step 3: Cross multiply
    3,190.72x = 4,394.24 × 2,572.96
  4. Step 4: Simplify right side
    3,190.72x = 11,306,203.75
  5. Step 5: Solve for x
    x = 11,306,203.75/3,190.72
  6. Step 6: Final answer
    x = 3,543.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.