Home / 3,586.60-5,372.54-2,122.19

Finding the Fourth Proportional to 3,586.60, 5,372.54 and 2,122.19

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Solution

The fourth proportional to 3,586.60, 5,372.54 and 2,122.19 is: 3,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.60 : 5,372.54 = 2,122.19 : x
  2. Step 2: Convert to fraction form
    3,586.60/5,372.54 = 2,122.19/x
  3. Step 3: Cross multiply
    3,586.60x = 5,372.54 × 2,122.19
  4. Step 4: Simplify right side
    3,586.60x = 11,401,550.66
  5. Step 5: Solve for x
    x = 11,401,550.66/3,586.60
  6. Step 6: Final answer
    x = 3,178.93

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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.