Home / 3,629.14-5,008.53-2,136.31

Finding the Fourth Proportional to 3,629.14, 5,008.53 and 2,136.31

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Solution

The fourth proportional to 3,629.14, 5,008.53 and 2,136.31 is: 2,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.14 : 5,008.53 = 2,136.31 : x
  2. Step 2: Convert to fraction form
    3,629.14/5,008.53 = 2,136.31/x
  3. Step 3: Cross multiply
    3,629.14x = 5,008.53 × 2,136.31
  4. Step 4: Simplify right side
    3,629.14x = 10,699,768.21
  5. Step 5: Solve for x
    x = 10,699,768.21/3,629.14
  6. Step 6: Final answer
    x = 2,948.30

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1.5x scale

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.