Home / 3,750.68-5,174.88-2,258.12

Finding the Fourth Proportional to 3,750.68, 5,174.88 and 2,258.12

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Solution

The fourth proportional to 3,750.68, 5,174.88 and 2,258.12 is: 3,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.68 : 5,174.88 = 2,258.12 : x
  2. Step 2: Convert to fraction form
    3,750.68/5,174.88 = 2,258.12/x
  3. Step 3: Cross multiply
    3,750.68x = 5,174.88 × 2,258.12
  4. Step 4: Simplify right side
    3,750.68x = 11,685,500.03
  5. Step 5: Solve for x
    x = 11,685,500.03/3,750.68
  6. Step 6: Final answer
    x = 3,115.57

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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.