Home / 3,916.48-5,872.26-2,186.32

Finding the Fourth Proportional to 3,916.48, 5,872.26 and 2,186.32

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Solution

The fourth proportional to 3,916.48, 5,872.26 and 2,186.32 is: 3,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.48 : 5,872.26 = 2,186.32 : x
  2. Step 2: Convert to fraction form
    3,916.48/5,872.26 = 2,186.32/x
  3. Step 3: Cross multiply
    3,916.48x = 5,872.26 × 2,186.32
  4. Step 4: Simplify right side
    3,916.48x = 12,838,639.48
  5. Step 5: Solve for x
    x = 12,838,639.48/3,916.48
  6. Step 6: Final answer
    x = 3,278.11

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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.