Home / 3,310.31-4,568.05-1,818.43

Finding the Fourth Proportional to 3,310.31, 4,568.05 and 1,818.43

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Solution

The fourth proportional to 3,310.31, 4,568.05 and 1,818.43 is: 2,509.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.31 : 4,568.05 = 1,818.43 : x
  2. Step 2: Convert to fraction form
    3,310.31/4,568.05 = 1,818.43/x
  3. Step 3: Cross multiply
    3,310.31x = 4,568.05 × 1,818.43
  4. Step 4: Simplify right side
    3,310.31x = 8,306,679.16
  5. Step 5: Solve for x
    x = 8,306,679.16/3,310.31
  6. Step 6: Final answer
    x = 2,509.34

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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.