Home / 3,629.05-5,008.40-2,136.22

Finding the Fourth Proportional to 3,629.05, 5,008.40 and 2,136.22

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Solution

The fourth proportional to 3,629.05, 5,008.40 and 2,136.22 is: 2,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.05 : 5,008.40 = 2,136.22 : x
  2. Step 2: Convert to fraction form
    3,629.05/5,008.40 = 2,136.22/x
  3. Step 3: Cross multiply
    3,629.05x = 5,008.40 × 2,136.22
  4. Step 4: Simplify right side
    3,629.05x = 10,699,037.07
  5. Step 5: Solve for x
    x = 10,699,037.07/3,629.05
  6. Step 6: Final answer
    x = 2,948.17

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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.