Home / 4,082.85-5,634.34-2,219.85

Finding the Fourth Proportional to 4,082.85, 5,634.34 and 2,219.85

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Solution

The fourth proportional to 4,082.85, 5,634.34 and 2,219.85 is: 3,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.85 : 5,634.34 = 2,219.85 : x
  2. Step 2: Convert to fraction form
    4,082.85/5,634.34 = 2,219.85/x
  3. Step 3: Cross multiply
    4,082.85x = 5,634.34 × 2,219.85
  4. Step 4: Simplify right side
    4,082.85x = 12,507,389.65
  5. Step 5: Solve for x
    x = 12,507,389.65/4,082.85
  6. Step 6: Final answer
    x = 3,063.40

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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.