Home / 3,219.88-4,443.43-1,822.63

Finding the Fourth Proportional to 3,219.88, 4,443.43 and 1,822.63

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Solution

The fourth proportional to 3,219.88, 4,443.43 and 1,822.63 is: 2,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.88 : 4,443.43 = 1,822.63 : x
  2. Step 2: Convert to fraction form
    3,219.88/4,443.43 = 1,822.63/x
  3. Step 3: Cross multiply
    3,219.88x = 4,443.43 × 1,822.63
  4. Step 4: Simplify right side
    3,219.88x = 8,098,702.05
  5. Step 5: Solve for x
    x = 8,098,702.05/3,219.88
  6. Step 6: Final answer
    x = 2,515.22

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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.