Home / 3,916.72-5,876.96-1,725.17

Finding the Fourth Proportional to 3,916.72, 5,876.96 and 1,725.17

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Solution

The fourth proportional to 3,916.72, 5,876.96 and 1,725.17 is: 2,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.72 : 5,876.96 = 1,725.17 : x
  2. Step 2: Convert to fraction form
    3,916.72/5,876.96 = 1,725.17/x
  3. Step 3: Cross multiply
    3,916.72x = 5,876.96 × 1,725.17
  4. Step 4: Simplify right side
    3,916.72x = 10,138,717.07
  5. Step 5: Solve for x
    x = 10,138,717.07/3,916.72
  6. Step 6: Final answer
    x = 2,588.57

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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.