Home / 3,817.45-5,267.19-2,245.65

Finding the Fourth Proportional to 3,817.45, 5,267.19 and 2,245.65

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Solution

The fourth proportional to 3,817.45, 5,267.19 and 2,245.65 is: 3,098.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.45 : 5,267.19 = 2,245.65 : x
  2. Step 2: Convert to fraction form
    3,817.45/5,267.19 = 2,245.65/x
  3. Step 3: Cross multiply
    3,817.45x = 5,267.19 × 2,245.65
  4. Step 4: Simplify right side
    3,817.45x = 11,828,265.22
  5. Step 5: Solve for x
    x = 11,828,265.22/3,817.45
  6. Step 6: Final answer
    x = 3,098.47

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1.5x scale

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.