Home / 3,637.29-5,455.62-1,445.43

Finding the Fourth Proportional to 3,637.29, 5,455.62 and 1,445.43

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Solution

The fourth proportional to 3,637.29, 5,455.62 and 1,445.43 is: 2,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.29 : 5,455.62 = 1,445.43 : x
  2. Step 2: Convert to fraction form
    3,637.29/5,455.62 = 1,445.43/x
  3. Step 3: Cross multiply
    3,637.29x = 5,455.62 × 1,445.43
  4. Step 4: Simplify right side
    3,637.29x = 7,885,689.54
  5. Step 5: Solve for x
    x = 7,885,689.54/3,637.29
  6. Step 6: Final answer
    x = 2,168.02

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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.