Home / 3,962-5,467.58-2,193.76

Finding the Fourth Proportional to 3,962, 5,467.58 and 2,193.76

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Solution

The fourth proportional to 3,962, 5,467.58 and 2,193.76 is: 3,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962 : 5,467.58 = 2,193.76 : x
  2. Step 2: Convert to fraction form
    3,962/5,467.58 = 2,193.76/x
  3. Step 3: Cross multiply
    3,962x = 5,467.58 × 2,193.76
  4. Step 4: Simplify right side
    3,962x = 11,994,558.30
  5. Step 5: Solve for x
    x = 11,994,558.30/3,962
  6. Step 6: Final answer
    x = 3,027.40

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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.