Home / 3,916.40-5,874.62-1,577.48

Finding the Fourth Proportional to 3,916.40, 5,874.62 and 1,577.48

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Solution

The fourth proportional to 3,916.40, 5,874.62 and 1,577.48 is: 2,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.40 : 5,874.62 = 1,577.48 : x
  2. Step 2: Convert to fraction form
    3,916.40/5,874.62 = 1,577.48/x
  3. Step 3: Cross multiply
    3,916.40x = 5,874.62 × 1,577.48
  4. Step 4: Simplify right side
    3,916.40x = 9,267,058.30
  5. Step 5: Solve for x
    x = 9,267,058.30/3,916.40
  6. Step 6: Final answer
    x = 2,366.22

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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.