Home / 3,427.32-5,140.98-2,874.36

Finding the Fourth Proportional to 3,427.32, 5,140.98 and 2,874.36

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Solution

The fourth proportional to 3,427.32, 5,140.98 and 2,874.36 is: 4,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.32 : 5,140.98 = 2,874.36 : x
  2. Step 2: Convert to fraction form
    3,427.32/5,140.98 = 2,874.36/x
  3. Step 3: Cross multiply
    3,427.32x = 5,140.98 × 2,874.36
  4. Step 4: Simplify right side
    3,427.32x = 14,777,027.27
  5. Step 5: Solve for x
    x = 14,777,027.27/3,427.32
  6. Step 6: Final answer
    x = 4,311.54

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Similar ratio
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1.5x scale

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.