Home / 2,711.21-3,741.41-1,516.12

Finding the Fourth Proportional to 2,711.21, 3,741.41 and 1,516.12

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Solution

The fourth proportional to 2,711.21, 3,741.41 and 1,516.12 is: 2,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.21 : 3,741.41 = 1,516.12 : x
  2. Step 2: Convert to fraction form
    2,711.21/3,741.41 = 1,516.12/x
  3. Step 3: Cross multiply
    2,711.21x = 3,741.41 × 1,516.12
  4. Step 4: Simplify right side
    2,711.21x = 5,672,420.97
  5. Step 5: Solve for x
    x = 5,672,420.97/2,711.21
  6. Step 6: Final answer
    x = 2,092.21

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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.