Home / 3,628.36-5,007.09-2,136.34

Finding the Fourth Proportional to 3,628.36, 5,007.09 and 2,136.34

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Solution

The fourth proportional to 3,628.36, 5,007.09 and 2,136.34 is: 2,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.36 : 5,007.09 = 2,136.34 : x
  2. Step 2: Convert to fraction form
    3,628.36/5,007.09 = 2,136.34/x
  3. Step 3: Cross multiply
    3,628.36x = 5,007.09 × 2,136.34
  4. Step 4: Simplify right side
    3,628.36x = 10,696,846.65
  5. Step 5: Solve for x
    x = 10,696,846.65/3,628.36
  6. Step 6: Final answer
    x = 2,948.12

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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.