Home / 3,577.36-5,367.12-1,385.32

Finding the Fourth Proportional to 3,577.36, 5,367.12 and 1,385.32

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Solution

The fourth proportional to 3,577.36, 5,367.12 and 1,385.32 is: 2,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.36 : 5,367.12 = 1,385.32 : x
  2. Step 2: Convert to fraction form
    3,577.36/5,367.12 = 1,385.32/x
  3. Step 3: Cross multiply
    3,577.36x = 5,367.12 × 1,385.32
  4. Step 4: Simplify right side
    3,577.36x = 7,435,178.68
  5. Step 5: Solve for x
    x = 7,435,178.68/3,577.36
  6. Step 6: Final answer
    x = 2,078.40

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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.