Home / 3,617.12-5,418.50-1,762.83

Finding the Fourth Proportional to 3,617.12, 5,418.50 and 1,762.83

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Solution

The fourth proportional to 3,617.12, 5,418.50 and 1,762.83 is: 2,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.12 : 5,418.50 = 1,762.83 : x
  2. Step 2: Convert to fraction form
    3,617.12/5,418.50 = 1,762.83/x
  3. Step 3: Cross multiply
    3,617.12x = 5,418.50 × 1,762.83
  4. Step 4: Simplify right side
    3,617.12x = 9,551,885.54
  5. Step 5: Solve for x
    x = 9,551,885.54/3,617.12
  6. Step 6: Final answer
    x = 2,640.74

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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.