Home / 3,634.93-5,453.76-1,445.20

Finding the Fourth Proportional to 3,634.93, 5,453.76 and 1,445.20

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Solution

The fourth proportional to 3,634.93, 5,453.76 and 1,445.20 is: 2,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.93 : 5,453.76 = 1,445.20 : x
  2. Step 2: Convert to fraction form
    3,634.93/5,453.76 = 1,445.20/x
  3. Step 3: Cross multiply
    3,634.93x = 5,453.76 × 1,445.20
  4. Step 4: Simplify right side
    3,634.93x = 7,881,773.95
  5. Step 5: Solve for x
    x = 7,881,773.95/3,634.93
  6. Step 6: Final answer
    x = 2,168.34

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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.