Home / 3,392.28-5,085.81-1,636.38

Finding the Fourth Proportional to 3,392.28, 5,085.81 and 1,636.38

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Solution

The fourth proportional to 3,392.28, 5,085.81 and 1,636.38 is: 2,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.28 : 5,085.81 = 1,636.38 : x
  2. Step 2: Convert to fraction form
    3,392.28/5,085.81 = 1,636.38/x
  3. Step 3: Cross multiply
    3,392.28x = 5,085.81 × 1,636.38
  4. Step 4: Simplify right side
    3,392.28x = 8,322,317.77
  5. Step 5: Solve for x
    x = 8,322,317.77/3,392.28
  6. Step 6: Final answer
    x = 2,453.31

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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.