Home / 3,769.30-5,205.09-2,530.90

Finding the Fourth Proportional to 3,769.30, 5,205.09 and 2,530.90

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Solution

The fourth proportional to 3,769.30, 5,205.09 and 2,530.90 is: 3,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.30 : 5,205.09 = 2,530.90 : x
  2. Step 2: Convert to fraction form
    3,769.30/5,205.09 = 2,530.90/x
  3. Step 3: Cross multiply
    3,769.30x = 5,205.09 × 2,530.90
  4. Step 4: Simplify right side
    3,769.30x = 13,173,562.28
  5. Step 5: Solve for x
    x = 13,173,562.28/3,769.30
  6. Step 6: Final answer
    x = 3,494.96

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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.