Home / 3,972.60-5,961.60-2,327.40

Finding the Fourth Proportional to 3,972.60, 5,961.60 and 2,327.40

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Solution

The fourth proportional to 3,972.60, 5,961.60 and 2,327.40 is: 3,492.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.60 : 5,961.60 = 2,327.40 : x
  2. Step 2: Convert to fraction form
    3,972.60/5,961.60 = 2,327.40/x
  3. Step 3: Cross multiply
    3,972.60x = 5,961.60 × 2,327.40
  4. Step 4: Simplify right side
    3,972.60x = 13,875,027.84
  5. Step 5: Solve for x
    x = 13,875,027.84/3,972.60
  6. Step 6: Final answer
    x = 3,492.68

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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.