Home / 3,916.25-5,872.65-2,816.02

Finding the Fourth Proportional to 3,916.25, 5,872.65 and 2,816.02

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Solution

The fourth proportional to 3,916.25, 5,872.65 and 2,816.02 is: 4,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.25 : 5,872.65 = 2,816.02 : x
  2. Step 2: Convert to fraction form
    3,916.25/5,872.65 = 2,816.02/x
  3. Step 3: Cross multiply
    3,916.25x = 5,872.65 × 2,816.02
  4. Step 4: Simplify right side
    3,916.25x = 16,537,479.44
  5. Step 5: Solve for x
    x = 16,537,479.44/3,916.25
  6. Step 6: Final answer
    x = 4,222.79

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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.