Home / 3,453.19-5,180.85-2,068.09

Finding the Fourth Proportional to 3,453.19, 5,180.85 and 2,068.09

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Solution

The fourth proportional to 3,453.19, 5,180.85 and 2,068.09 is: 3,102.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.19 : 5,180.85 = 2,068.09 : x
  2. Step 2: Convert to fraction form
    3,453.19/5,180.85 = 2,068.09/x
  3. Step 3: Cross multiply
    3,453.19x = 5,180.85 × 2,068.09
  4. Step 4: Simplify right side
    3,453.19x = 10,714,464.08
  5. Step 5: Solve for x
    x = 10,714,464.08/3,453.19
  6. Step 6: Final answer
    x = 3,102.77

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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.