Home / 3,146.33-4,720.25-2,223.70

Finding the Fourth Proportional to 3,146.33, 4,720.25 and 2,223.70

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Solution

The fourth proportional to 3,146.33, 4,720.25 and 2,223.70 is: 3,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.33 : 4,720.25 = 2,223.70 : x
  2. Step 2: Convert to fraction form
    3,146.33/4,720.25 = 2,223.70/x
  3. Step 3: Cross multiply
    3,146.33x = 4,720.25 × 2,223.70
  4. Step 4: Simplify right side
    3,146.33x = 10,496,419.93
  5. Step 5: Solve for x
    x = 10,496,419.93/3,146.33
  6. Step 6: Final answer
    x = 3,336.08

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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.