Home / 3,916.36-5,874.84-1,143.08

Finding the Fourth Proportional to 3,916.36, 5,874.84 and 1,143.08

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Solution

The fourth proportional to 3,916.36, 5,874.84 and 1,143.08 is: 1,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.36 : 5,874.84 = 1,143.08 : x
  2. Step 2: Convert to fraction form
    3,916.36/5,874.84 = 1,143.08/x
  3. Step 3: Cross multiply
    3,916.36x = 5,874.84 × 1,143.08
  4. Step 4: Simplify right side
    3,916.36x = 6,715,412.11
  5. Step 5: Solve for x
    x = 6,715,412.11/3,916.36
  6. Step 6: Final answer
    x = 1,714.71

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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.