Home / 3,453.42-4,764.90-1,961.02

Finding the Fourth Proportional to 3,453.42, 4,764.90 and 1,961.02

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Solution

The fourth proportional to 3,453.42, 4,764.90 and 1,961.02 is: 2,705.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.42 : 4,764.90 = 1,961.02 : x
  2. Step 2: Convert to fraction form
    3,453.42/4,764.90 = 1,961.02/x
  3. Step 3: Cross multiply
    3,453.42x = 4,764.90 × 1,961.02
  4. Step 4: Simplify right side
    3,453.42x = 9,344,064.20
  5. Step 5: Solve for x
    x = 9,344,064.20/3,453.42
  6. Step 6: Final answer
    x = 2,705.74

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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.