Home / 3,136.32-4,703.81-944.60

Finding the Fourth Proportional to 3,136.32, 4,703.81 and 944.60

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Solution

The fourth proportional to 3,136.32, 4,703.81 and 944.60 is: 1,416.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.32 : 4,703.81 = 944.60 : x
  2. Step 2: Convert to fraction form
    3,136.32/4,703.81 = 944.60/x
  3. Step 3: Cross multiply
    3,136.32x = 4,703.81 × 944.60
  4. Step 4: Simplify right side
    3,136.32x = 4,443,190.68
  5. Step 5: Solve for x
    x = 4,443,190.68/3,136.32
  6. Step 6: Final answer
    x = 1,416.69

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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.