Home / 3,629.21-5,006.62-2,136.18

Finding the Fourth Proportional to 3,629.21, 5,006.62 and 2,136.18

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Solution

The fourth proportional to 3,629.21, 5,006.62 and 2,136.18 is: 2,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.21 : 5,006.62 = 2,136.18 : x
  2. Step 2: Convert to fraction form
    3,629.21/5,006.62 = 2,136.18/x
  3. Step 3: Cross multiply
    3,629.21x = 5,006.62 × 2,136.18
  4. Step 4: Simplify right side
    3,629.21x = 10,695,041.51
  5. Step 5: Solve for x
    x = 10,695,041.51/3,629.21
  6. Step 6: Final answer
    x = 2,946.93

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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.