Home / 3,728.97-5,146.20-2,237.94

Finding the Fourth Proportional to 3,728.97, 5,146.20 and 2,237.94

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Solution

The fourth proportional to 3,728.97, 5,146.20 and 2,237.94 is: 3,088.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.97 : 5,146.20 = 2,237.94 : x
  2. Step 2: Convert to fraction form
    3,728.97/5,146.20 = 2,237.94/x
  3. Step 3: Cross multiply
    3,728.97x = 5,146.20 × 2,237.94
  4. Step 4: Simplify right side
    3,728.97x = 11,516,886.83
  5. Step 5: Solve for x
    x = 11,516,886.83/3,728.97
  6. Step 6: Final answer
    x = 3,088.49

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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.