Home / 3,136.60-4,318.64-2,663.48

Finding the Fourth Proportional to 3,136.60, 4,318.64 and 2,663.48

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Solution

The fourth proportional to 3,136.60, 4,318.64 and 2,663.48 is: 3,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.60 : 4,318.64 = 2,663.48 : x
  2. Step 2: Convert to fraction form
    3,136.60/4,318.64 = 2,663.48/x
  3. Step 3: Cross multiply
    3,136.60x = 4,318.64 × 2,663.48
  4. Step 4: Simplify right side
    3,136.60x = 11,502,611.27
  5. Step 5: Solve for x
    x = 11,502,611.27/3,136.60
  6. Step 6: Final answer
    x = 3,667.22

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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.