Home / 3,736.64-5,608.20-2,178.20

Finding the Fourth Proportional to 3,736.64, 5,608.20 and 2,178.20

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Solution

The fourth proportional to 3,736.64, 5,608.20 and 2,178.20 is: 3,269.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.64 : 5,608.20 = 2,178.20 : x
  2. Step 2: Convert to fraction form
    3,736.64/5,608.20 = 2,178.20/x
  3. Step 3: Cross multiply
    3,736.64x = 5,608.20 × 2,178.20
  4. Step 4: Simplify right side
    3,736.64x = 12,215,781.24
  5. Step 5: Solve for x
    x = 12,215,781.24/3,736.64
  6. Step 6: Final answer
    x = 3,269.19

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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.