Home / 3,427.56-5,135.40-2,193.12

Finding the Fourth Proportional to 3,427.56, 5,135.40 and 2,193.12

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Solution

The fourth proportional to 3,427.56, 5,135.40 and 2,193.12 is: 3,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.56 : 5,135.40 = 2,193.12 : x
  2. Step 2: Convert to fraction form
    3,427.56/5,135.40 = 2,193.12/x
  3. Step 3: Cross multiply
    3,427.56x = 5,135.40 × 2,193.12
  4. Step 4: Simplify right side
    3,427.56x = 11,262,548.45
  5. Step 5: Solve for x
    x = 11,262,548.45/3,427.56
  6. Step 6: Final answer
    x = 3,285.88

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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.