Home / 3,620.93-5,427.92-1,154.39

Finding the Fourth Proportional to 3,620.93, 5,427.92 and 1,154.39

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Solution

The fourth proportional to 3,620.93, 5,427.92 and 1,154.39 is: 1,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.93 : 5,427.92 = 1,154.39 : x
  2. Step 2: Convert to fraction form
    3,620.93/5,427.92 = 1,154.39/x
  3. Step 3: Cross multiply
    3,620.93x = 5,427.92 × 1,154.39
  4. Step 4: Simplify right side
    3,620.93x = 6,265,936.57
  5. Step 5: Solve for x
    x = 6,265,936.57/3,620.93
  6. Step 6: Final answer
    x = 1,730.48

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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.