Home / 3,677.28-5,074.53-1,998.63

Finding the Fourth Proportional to 3,677.28, 5,074.53 and 1,998.63

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Solution

The fourth proportional to 3,677.28, 5,074.53 and 1,998.63 is: 2,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.28 : 5,074.53 = 1,998.63 : x
  2. Step 2: Convert to fraction form
    3,677.28/5,074.53 = 1,998.63/x
  3. Step 3: Cross multiply
    3,677.28x = 5,074.53 × 1,998.63
  4. Step 4: Simplify right side
    3,677.28x = 10,142,107.89
  5. Step 5: Solve for x
    x = 10,142,107.89/3,677.28
  6. Step 6: Final answer
    x = 2,758.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.