Home / 2,380.59-3,571.85-1,082.67

Finding the Fourth Proportional to 2,380.59, 3,571.85 and 1,082.67

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Solution

The fourth proportional to 2,380.59, 3,571.85 and 1,082.67 is: 1,624.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.59 : 3,571.85 = 1,082.67 : x
  2. Step 2: Convert to fraction form
    2,380.59/3,571.85 = 1,082.67/x
  3. Step 3: Cross multiply
    2,380.59x = 3,571.85 × 1,082.67
  4. Step 4: Simplify right side
    2,380.59x = 3,867,129.43
  5. Step 5: Solve for x
    x = 3,867,129.43/2,380.59
  6. Step 6: Final answer
    x = 1,624.44

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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.