Home / 2,706.68-4,062.42-1,391.36

Finding the Fourth Proportional to 2,706.68, 4,062.42 and 1,391.36

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Solution

The fourth proportional to 2,706.68, 4,062.42 and 1,391.36 is: 2,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,706.68 : 4,062.42 = 1,391.36 : x
  2. Step 2: Convert to fraction form
    2,706.68/4,062.42 = 1,391.36/x
  3. Step 3: Cross multiply
    2,706.68x = 4,062.42 × 1,391.36
  4. Step 4: Simplify right side
    2,706.68x = 5,652,268.38
  5. Step 5: Solve for x
    x = 5,652,268.38/2,706.68
  6. Step 6: Final answer
    x = 2,088.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.