Home / 3,677.24-5,074.57-1,998.64

Finding the Fourth Proportional to 3,677.24, 5,074.57 and 1,998.64

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Solution

The fourth proportional to 3,677.24, 5,074.57 and 1,998.64 is: 2,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.24 : 5,074.57 = 1,998.64 : x
  2. Step 2: Convert to fraction form
    3,677.24/5,074.57 = 1,998.64/x
  3. Step 3: Cross multiply
    3,677.24x = 5,074.57 × 1,998.64
  4. Step 4: Simplify right side
    3,677.24x = 10,142,238.58
  5. Step 5: Solve for x
    x = 10,142,238.58/3,677.24
  6. Step 6: Final answer
    x = 2,758.11

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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.