Home / 3,486.26-5,226.86-1,636.43

Finding the Fourth Proportional to 3,486.26, 5,226.86 and 1,636.43

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Solution

The fourth proportional to 3,486.26, 5,226.86 and 1,636.43 is: 2,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.26 : 5,226.86 = 1,636.43 : x
  2. Step 2: Convert to fraction form
    3,486.26/5,226.86 = 1,636.43/x
  3. Step 3: Cross multiply
    3,486.26x = 5,226.86 × 1,636.43
  4. Step 4: Simplify right side
    3,486.26x = 8,553,368.47
  5. Step 5: Solve for x
    x = 8,553,368.47/3,486.26
  6. Step 6: Final answer
    x = 2,453.45

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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.