Home / 3,634.86-5,453.10-1,038

Finding the Fourth Proportional to 3,634.86, 5,453.10 and 1,038

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Solution

The fourth proportional to 3,634.86, 5,453.10 and 1,038 is: 1,557.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.86 : 5,453.10 = 1,038 : x
  2. Step 2: Convert to fraction form
    3,634.86/5,453.10 = 1,038/x
  3. Step 3: Cross multiply
    3,634.86x = 5,453.10 × 1,038
  4. Step 4: Simplify right side
    3,634.86x = 5,660,317.80
  5. Step 5: Solve for x
    x = 5,660,317.80/3,634.86
  6. Step 6: Final answer
    x = 1,557.23

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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.