Home / 3,439.68-5,154.48-1,704.84

Finding the Fourth Proportional to 3,439.68, 5,154.48 and 1,704.84

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Solution

The fourth proportional to 3,439.68, 5,154.48 and 1,704.84 is: 2,554.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.68 : 5,154.48 = 1,704.84 : x
  2. Step 2: Convert to fraction form
    3,439.68/5,154.48 = 1,704.84/x
  3. Step 3: Cross multiply
    3,439.68x = 5,154.48 × 1,704.84
  4. Step 4: Simplify right side
    3,439.68x = 8,787,563.68
  5. Step 5: Solve for x
    x = 8,787,563.68/3,439.68
  6. Step 6: Final answer
    x = 2,554.76

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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.