Home / 2,843.10-4,264.11-1,381.32

Finding the Fourth Proportional to 2,843.10, 4,264.11 and 1,381.32

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Solution

The fourth proportional to 2,843.10, 4,264.11 and 1,381.32 is: 2,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.10 : 4,264.11 = 1,381.32 : x
  2. Step 2: Convert to fraction form
    2,843.10/4,264.11 = 1,381.32/x
  3. Step 3: Cross multiply
    2,843.10x = 4,264.11 × 1,381.32
  4. Step 4: Simplify right side
    2,843.10x = 5,890,100.43
  5. Step 5: Solve for x
    x = 5,890,100.43/2,843.10
  6. Step 6: Final answer
    x = 2,071.72

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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.