Home / 2,711.78-3,741.15-1,767.23

Finding the Fourth Proportional to 2,711.78, 3,741.15 and 1,767.23

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Solution

The fourth proportional to 2,711.78, 3,741.15 and 1,767.23 is: 2,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.78 : 3,741.15 = 1,767.23 : x
  2. Step 2: Convert to fraction form
    2,711.78/3,741.15 = 1,767.23/x
  3. Step 3: Cross multiply
    2,711.78x = 3,741.15 × 1,767.23
  4. Step 4: Simplify right side
    2,711.78x = 6,611,458.97
  5. Step 5: Solve for x
    x = 6,611,458.97/2,711.78
  6. Step 6: Final answer
    x = 2,438.05

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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.