Home / 3,319.62-4,581.81-2,758.56

Finding the Fourth Proportional to 3,319.62, 4,581.81 and 2,758.56

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Solution

The fourth proportional to 3,319.62, 4,581.81 and 2,758.56 is: 3,807.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.62 : 4,581.81 = 2,758.56 : x
  2. Step 2: Convert to fraction form
    3,319.62/4,581.81 = 2,758.56/x
  3. Step 3: Cross multiply
    3,319.62x = 4,581.81 × 2,758.56
  4. Step 4: Simplify right side
    3,319.62x = 12,639,197.79
  5. Step 5: Solve for x
    x = 12,639,197.79/3,319.62
  6. Step 6: Final answer
    x = 3,807.42

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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.