Home / 2,297.81-3,170.72-1,353.54

Finding the Fourth Proportional to 2,297.81, 3,170.72 and 1,353.54

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Solution

The fourth proportional to 2,297.81, 3,170.72 and 1,353.54 is: 1,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.81 : 3,170.72 = 1,353.54 : x
  2. Step 2: Convert to fraction form
    2,297.81/3,170.72 = 1,353.54/x
  3. Step 3: Cross multiply
    2,297.81x = 3,170.72 × 1,353.54
  4. Step 4: Simplify right side
    2,297.81x = 4,291,694.44
  5. Step 5: Solve for x
    x = 4,291,694.44/2,297.81
  6. Step 6: Final answer
    x = 1,867.73

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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.