Home / 3,751.25-5,174.64-2,258.28

Finding the Fourth Proportional to 3,751.25, 5,174.64 and 2,258.28

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Solution

The fourth proportional to 3,751.25, 5,174.64 and 2,258.28 is: 3,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.25 : 5,174.64 = 2,258.28 : x
  2. Step 2: Convert to fraction form
    3,751.25/5,174.64 = 2,258.28/x
  3. Step 3: Cross multiply
    3,751.25x = 5,174.64 × 2,258.28
  4. Step 4: Simplify right side
    3,751.25x = 11,685,786.02
  5. Step 5: Solve for x
    x = 11,685,786.02/3,751.25
  6. Step 6: Final answer
    x = 3,115.18

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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.