Home / 3,821.24-5,728.43-2,430.67

Finding the Fourth Proportional to 3,821.24, 5,728.43 and 2,430.67

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Solution

The fourth proportional to 3,821.24, 5,728.43 and 2,430.67 is: 3,643.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.24 : 5,728.43 = 2,430.67 : x
  2. Step 2: Convert to fraction form
    3,821.24/5,728.43 = 2,430.67/x
  3. Step 3: Cross multiply
    3,821.24x = 5,728.43 × 2,430.67
  4. Step 4: Simplify right side
    3,821.24x = 13,923,922.95
  5. Step 5: Solve for x
    x = 13,923,922.95/3,821.24
  6. Step 6: Final answer
    x = 3,643.83

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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.