Home / 3,916.68-5,874.70-1,608.20

Finding the Fourth Proportional to 3,916.68, 5,874.70 and 1,608.20

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Solution

The fourth proportional to 3,916.68, 5,874.70 and 1,608.20 is: 2,412.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.68 : 5,874.70 = 1,608.20 : x
  2. Step 2: Convert to fraction form
    3,916.68/5,874.70 = 1,608.20/x
  3. Step 3: Cross multiply
    3,916.68x = 5,874.70 × 1,608.20
  4. Step 4: Simplify right side
    3,916.68x = 9,447,692.54
  5. Step 5: Solve for x
    x = 9,447,692.54/3,916.68
  6. Step 6: Final answer
    x = 2,412.17

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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.