Home / 3,629.33-5,008.38-2,117.16

Finding the Fourth Proportional to 3,629.33, 5,008.38 and 2,117.16

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Solution

The fourth proportional to 3,629.33, 5,008.38 and 2,117.16 is: 2,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.33 : 5,008.38 = 2,117.16 : x
  2. Step 2: Convert to fraction form
    3,629.33/5,008.38 = 2,117.16/x
  3. Step 3: Cross multiply
    3,629.33x = 5,008.38 × 2,117.16
  4. Step 4: Simplify right side
    3,629.33x = 10,603,541.80
  5. Step 5: Solve for x
    x = 10,603,541.80/3,629.33
  6. Step 6: Final answer
    x = 2,921.63

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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.