Home / 3,720.85-5,577.38-1,254.82

Finding the Fourth Proportional to 3,720.85, 5,577.38 and 1,254.82

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Solution

The fourth proportional to 3,720.85, 5,577.38 and 1,254.82 is: 1,880.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.85 : 5,577.38 = 1,254.82 : x
  2. Step 2: Convert to fraction form
    3,720.85/5,577.38 = 1,254.82/x
  3. Step 3: Cross multiply
    3,720.85x = 5,577.38 × 1,254.82
  4. Step 4: Simplify right side
    3,720.85x = 6,998,607.97
  5. Step 5: Solve for x
    x = 6,998,607.97/3,720.85
  6. Step 6: Final answer
    x = 1,880.92

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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.