Home / 2,173.62-3,261.48-1,351.68

Finding the Fourth Proportional to 2,173.62, 3,261.48 and 1,351.68

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Solution

The fourth proportional to 2,173.62, 3,261.48 and 1,351.68 is: 2,028.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.62 : 3,261.48 = 1,351.68 : x
  2. Step 2: Convert to fraction form
    2,173.62/3,261.48 = 1,351.68/x
  3. Step 3: Cross multiply
    2,173.62x = 3,261.48 × 1,351.68
  4. Step 4: Simplify right side
    2,173.62x = 4,408,477.29
  5. Step 5: Solve for x
    x = 4,408,477.29/2,173.62
  6. Step 6: Final answer
    x = 2,028.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.