Home / 2,170.12-3,247.98-1,734.28

Finding the Fourth Proportional to 2,170.12, 3,247.98 and 1,734.28

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Solution

The fourth proportional to 2,170.12, 3,247.98 and 1,734.28 is: 2,595.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.12 : 3,247.98 = 1,734.28 : x
  2. Step 2: Convert to fraction form
    2,170.12/3,247.98 = 1,734.28/x
  3. Step 3: Cross multiply
    2,170.12x = 3,247.98 × 1,734.28
  4. Step 4: Simplify right side
    2,170.12x = 5,632,906.75
  5. Step 5: Solve for x
    x = 5,632,906.75/2,170.12
  6. Step 6: Final answer
    x = 2,595.67

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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.