Home / 3,380.10-5,070.09-2,826.06

Finding the Fourth Proportional to 3,380.10, 5,070.09 and 2,826.06

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Solution

The fourth proportional to 3,380.10, 5,070.09 and 2,826.06 is: 4,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.10 : 5,070.09 = 2,826.06 : x
  2. Step 2: Convert to fraction form
    3,380.10/5,070.09 = 2,826.06/x
  3. Step 3: Cross multiply
    3,380.10x = 5,070.09 × 2,826.06
  4. Step 4: Simplify right side
    3,380.10x = 14,328,378.55
  5. Step 5: Solve for x
    x = 14,328,378.55/3,380.10
  6. Step 6: Final answer
    x = 4,239.04

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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.