Home / 3,916.91-5,877.43-1,727.15

Finding the Fourth Proportional to 3,916.91, 5,877.43 and 1,727.15

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Solution

The fourth proportional to 3,916.91, 5,877.43 and 1,727.15 is: 2,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.91 : 5,877.43 = 1,727.15 : x
  2. Step 2: Convert to fraction form
    3,916.91/5,877.43 = 1,727.15/x
  3. Step 3: Cross multiply
    3,916.91x = 5,877.43 × 1,727.15
  4. Step 4: Simplify right side
    3,916.91x = 10,151,203.22
  5. Step 5: Solve for x
    x = 10,151,203.22/3,916.91
  6. Step 6: Final answer
    x = 2,591.64

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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.