Home / 3,216.62-4,438.88-1,761.41

Finding the Fourth Proportional to 3,216.62, 4,438.88 and 1,761.41

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Solution

The fourth proportional to 3,216.62, 4,438.88 and 1,761.41 is: 2,430.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.62 : 4,438.88 = 1,761.41 : x
  2. Step 2: Convert to fraction form
    3,216.62/4,438.88 = 1,761.41/x
  3. Step 3: Cross multiply
    3,216.62x = 4,438.88 × 1,761.41
  4. Step 4: Simplify right side
    3,216.62x = 7,818,656.62
  5. Step 5: Solve for x
    x = 7,818,656.62/3,216.62
  6. Step 6: Final answer
    x = 2,430.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.