Home / 3,586.80-5,366.40-2,199.84

Finding the Fourth Proportional to 3,586.80, 5,366.40 and 2,199.84

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Solution

The fourth proportional to 3,586.80, 5,366.40 and 2,199.84 is: 3,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.80 : 5,366.40 = 2,199.84 : x
  2. Step 2: Convert to fraction form
    3,586.80/5,366.40 = 2,199.84/x
  3. Step 3: Cross multiply
    3,586.80x = 5,366.40 × 2,199.84
  4. Step 4: Simplify right side
    3,586.80x = 11,805,221.38
  5. Step 5: Solve for x
    x = 11,805,221.38/3,586.80
  6. Step 6: Final answer
    x = 3,291.30

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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.