Home / 3,136.33-4,703.67-1,489.60

Finding the Fourth Proportional to 3,136.33, 4,703.67 and 1,489.60

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Solution

The fourth proportional to 3,136.33, 4,703.67 and 1,489.60 is: 2,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.33 : 4,703.67 = 1,489.60 : x
  2. Step 2: Convert to fraction form
    3,136.33/4,703.67 = 1,489.60/x
  3. Step 3: Cross multiply
    3,136.33x = 4,703.67 × 1,489.60
  4. Step 4: Simplify right side
    3,136.33x = 7,006,563.31
  5. Step 5: Solve for x
    x = 7,006,563.31/3,136.33
  6. Step 6: Final answer
    x = 2,234.00

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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.