Home / 3,653.26-5,469.33-2,147.74

Finding the Fourth Proportional to 3,653.26, 5,469.33 and 2,147.74

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Solution

The fourth proportional to 3,653.26, 5,469.33 and 2,147.74 is: 3,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.26 : 5,469.33 = 2,147.74 : x
  2. Step 2: Convert to fraction form
    3,653.26/5,469.33 = 2,147.74/x
  3. Step 3: Cross multiply
    3,653.26x = 5,469.33 × 2,147.74
  4. Step 4: Simplify right side
    3,653.26x = 11,746,698.81
  5. Step 5: Solve for x
    x = 11,746,698.81/3,653.26
  6. Step 6: Final answer
    x = 3,215.40

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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.