Home / 2,164.54-3,246.81-1,395.58

Finding the Fourth Proportional to 2,164.54, 3,246.81 and 1,395.58

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Solution

The fourth proportional to 2,164.54, 3,246.81 and 1,395.58 is: 2,093.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.54 : 3,246.81 = 1,395.58 : x
  2. Step 2: Convert to fraction form
    2,164.54/3,246.81 = 1,395.58/x
  3. Step 3: Cross multiply
    2,164.54x = 3,246.81 × 1,395.58
  4. Step 4: Simplify right side
    2,164.54x = 4,531,183.10
  5. Step 5: Solve for x
    x = 4,531,183.10/2,164.54
  6. Step 6: Final answer
    x = 2,093.37

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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.