Home / 2,115.35-3,166.39-1,453.36

Finding the Fourth Proportional to 2,115.35, 3,166.39 and 1,453.36

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Solution

The fourth proportional to 2,115.35, 3,166.39 and 1,453.36 is: 2,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115.35 : 3,166.39 = 1,453.36 : x
  2. Step 2: Convert to fraction form
    2,115.35/3,166.39 = 1,453.36/x
  3. Step 3: Cross multiply
    2,115.35x = 3,166.39 × 1,453.36
  4. Step 4: Simplify right side
    2,115.35x = 4,601,904.41
  5. Step 5: Solve for x
    x = 4,601,904.41/2,115.35
  6. Step 6: Final answer
    x = 2,175.48

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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.