Home / 2,451.60-3,380.64-1,892.16

Finding the Fourth Proportional to 2,451.60, 3,380.64 and 1,892.16

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Solution

The fourth proportional to 2,451.60, 3,380.64 and 1,892.16 is: 2,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.60 : 3,380.64 = 1,892.16 : x
  2. Step 2: Convert to fraction form
    2,451.60/3,380.64 = 1,892.16/x
  3. Step 3: Cross multiply
    2,451.60x = 3,380.64 × 1,892.16
  4. Step 4: Simplify right side
    2,451.60x = 6,396,711.78
  5. Step 5: Solve for x
    x = 6,396,711.78/2,451.60
  6. Step 6: Final answer
    x = 2,609.20

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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.