Home / 3,330.71-4,991.96-1,136.87

Finding the Fourth Proportional to 3,330.71, 4,991.96 and 1,136.87

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Solution

The fourth proportional to 3,330.71, 4,991.96 and 1,136.87 is: 1,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.71 : 4,991.96 = 1,136.87 : x
  2. Step 2: Convert to fraction form
    3,330.71/4,991.96 = 1,136.87/x
  3. Step 3: Cross multiply
    3,330.71x = 4,991.96 × 1,136.87
  4. Step 4: Simplify right side
    3,330.71x = 5,675,209.57
  5. Step 5: Solve for x
    x = 5,675,209.57/3,330.71
  6. Step 6: Final answer
    x = 1,703.90

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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.