Home / 3,984.95-5,499.68-2,306.34

Finding the Fourth Proportional to 3,984.95, 5,499.68 and 2,306.34

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Solution

The fourth proportional to 3,984.95, 5,499.68 and 2,306.34 is: 3,183.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.95 : 5,499.68 = 2,306.34 : x
  2. Step 2: Convert to fraction form
    3,984.95/5,499.68 = 2,306.34/x
  3. Step 3: Cross multiply
    3,984.95x = 5,499.68 × 2,306.34
  4. Step 4: Simplify right side
    3,984.95x = 12,684,120.44
  5. Step 5: Solve for x
    x = 12,684,120.44/3,984.95
  6. Step 6: Final answer
    x = 3,183.00

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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.