Home / 3,520.33-4,847.21-3,126.67

Finding the Fourth Proportional to 3,520.33, 4,847.21 and 3,126.67

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Solution

The fourth proportional to 3,520.33, 4,847.21 and 3,126.67 is: 4,305.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.33 : 4,847.21 = 3,126.67 : x
  2. Step 2: Convert to fraction form
    3,520.33/4,847.21 = 3,126.67/x
  3. Step 3: Cross multiply
    3,520.33x = 4,847.21 × 3,126.67
  4. Step 4: Simplify right side
    3,520.33x = 15,155,610.06
  5. Step 5: Solve for x
    x = 15,155,610.06/3,520.33
  6. Step 6: Final answer
    x = 4,305.17

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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.