Home / 3,037.79-4,192.20-1,711.55

Finding the Fourth Proportional to 3,037.79, 4,192.20 and 1,711.55

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Solution

The fourth proportional to 3,037.79, 4,192.20 and 1,711.55 is: 2,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.79 : 4,192.20 = 1,711.55 : x
  2. Step 2: Convert to fraction form
    3,037.79/4,192.20 = 1,711.55/x
  3. Step 3: Cross multiply
    3,037.79x = 4,192.20 × 1,711.55
  4. Step 4: Simplify right side
    3,037.79x = 7,175,138.95
  5. Step 5: Solve for x
    x = 7,175,138.95/3,037.79
  6. Step 6: Final answer
    x = 2,361.96

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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.