Home / 3,916.60-5,874.73-1,575.90

Finding the Fourth Proportional to 3,916.60, 5,874.73 and 1,575.90

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Solution

The fourth proportional to 3,916.60, 5,874.73 and 1,575.90 is: 2,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.60 : 5,874.73 = 1,575.90 : x
  2. Step 2: Convert to fraction form
    3,916.60/5,874.73 = 1,575.90/x
  3. Step 3: Cross multiply
    3,916.60x = 5,874.73 × 1,575.90
  4. Step 4: Simplify right side
    3,916.60x = 9,257,983.07
  5. Step 5: Solve for x
    x = 9,257,983.07/3,916.60
  6. Step 6: Final answer
    x = 2,363.78

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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.