Home / 3,636.28-5,453.40-1,038.52

Finding the Fourth Proportional to 3,636.28, 5,453.40 and 1,038.52

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Solution

The fourth proportional to 3,636.28, 5,453.40 and 1,038.52 is: 1,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.28 : 5,453.40 = 1,038.52 : x
  2. Step 2: Convert to fraction form
    3,636.28/5,453.40 = 1,038.52/x
  3. Step 3: Cross multiply
    3,636.28x = 5,453.40 × 1,038.52
  4. Step 4: Simplify right side
    3,636.28x = 5,663,464.97
  5. Step 5: Solve for x
    x = 5,663,464.97/3,636.28
  6. Step 6: Final answer
    x = 1,557.49

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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.