Home / 3,122.81-4,685.00-2,568.44

Finding the Fourth Proportional to 3,122.81, 4,685.00 and 2,568.44

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Solution

The fourth proportional to 3,122.81, 4,685.00 and 2,568.44 is: 3,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.81 : 4,685.00 = 2,568.44 : x
  2. Step 2: Convert to fraction form
    3,122.81/4,685.00 = 2,568.44/x
  3. Step 3: Cross multiply
    3,122.81x = 4,685.00 × 2,568.44
  4. Step 4: Simplify right side
    3,122.81x = 12,033,105.13
  5. Step 5: Solve for x
    x = 12,033,105.13/3,122.81
  6. Step 6: Final answer
    x = 3,853.30

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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.