Home / 3,818.66-5,267.49-2,826.50

Finding the Fourth Proportional to 3,818.66, 5,267.49 and 2,826.50

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Solution

The fourth proportional to 3,818.66, 5,267.49 and 2,826.50 is: 3,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.66 : 5,267.49 = 2,826.50 : x
  2. Step 2: Convert to fraction form
    3,818.66/5,267.49 = 2,826.50/x
  3. Step 3: Cross multiply
    3,818.66x = 5,267.49 × 2,826.50
  4. Step 4: Simplify right side
    3,818.66x = 14,888,560.49
  5. Step 5: Solve for x
    x = 14,888,560.49/3,818.66
  6. Step 6: Final answer
    x = 3,898.90

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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.