Home / 3,470.26-5,205.06-2,154.22

Finding the Fourth Proportional to 3,470.26, 5,205.06 and 2,154.22

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Solution

The fourth proportional to 3,470.26, 5,205.06 and 2,154.22 is: 3,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.26 : 5,205.06 = 2,154.22 : x
  2. Step 2: Convert to fraction form
    3,470.26/5,205.06 = 2,154.22/x
  3. Step 3: Cross multiply
    3,470.26x = 5,205.06 × 2,154.22
  4. Step 4: Simplify right side
    3,470.26x = 11,212,844.35
  5. Step 5: Solve for x
    x = 11,212,844.35/3,470.26
  6. Step 6: Final answer
    x = 3,231.13

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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.