Home / 3,942.48-5,916.22-1,862.55

Finding the Fourth Proportional to 3,942.48, 5,916.22 and 1,862.55

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Solution

The fourth proportional to 3,942.48, 5,916.22 and 1,862.55 is: 2,795.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.48 : 5,916.22 = 1,862.55 : x
  2. Step 2: Convert to fraction form
    3,942.48/5,916.22 = 1,862.55/x
  3. Step 3: Cross multiply
    3,942.48x = 5,916.22 × 1,862.55
  4. Step 4: Simplify right side
    3,942.48x = 11,019,255.56
  5. Step 5: Solve for x
    x = 11,019,255.56/3,942.48
  6. Step 6: Final answer
    x = 2,795.01

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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.