Home / 3,425.76-4,719.35-3,259

Finding the Fourth Proportional to 3,425.76, 4,719.35 and 3,259

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Solution

The fourth proportional to 3,425.76, 4,719.35 and 3,259 is: 4,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.76 : 4,719.35 = 3,259 : x
  2. Step 2: Convert to fraction form
    3,425.76/4,719.35 = 3,259/x
  3. Step 3: Cross multiply
    3,425.76x = 4,719.35 × 3,259
  4. Step 4: Simplify right side
    3,425.76x = 15,380,361.65
  5. Step 5: Solve for x
    x = 15,380,361.65/3,425.76
  6. Step 6: Final answer
    x = 4,489.62

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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.