Home / 3,634.80-5,454.45-1,443.30

Finding the Fourth Proportional to 3,634.80, 5,454.45 and 1,443.30

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Solution

The fourth proportional to 3,634.80, 5,454.45 and 1,443.30 is: 2,165.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.80 : 5,454.45 = 1,443.30 : x
  2. Step 2: Convert to fraction form
    3,634.80/5,454.45 = 1,443.30/x
  3. Step 3: Cross multiply
    3,634.80x = 5,454.45 × 1,443.30
  4. Step 4: Simplify right side
    3,634.80x = 7,872,407.69
  5. Step 5: Solve for x
    x = 7,872,407.69/3,634.80
  6. Step 6: Final answer
    x = 2,165.84

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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.