Home / 3,728.36-5,144.94-2,049.98

Finding the Fourth Proportional to 3,728.36, 5,144.94 and 2,049.98

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Solution

The fourth proportional to 3,728.36, 5,144.94 and 2,049.98 is: 2,828.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.36 : 5,144.94 = 2,049.98 : x
  2. Step 2: Convert to fraction form
    3,728.36/5,144.94 = 2,049.98/x
  3. Step 3: Cross multiply
    3,728.36x = 5,144.94 × 2,049.98
  4. Step 4: Simplify right side
    3,728.36x = 10,547,024.10
  5. Step 5: Solve for x
    x = 10,547,024.10/3,728.36
  6. Step 6: Final answer
    x = 2,828.86

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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.