Home / 2,164.60-3,247.50-1,645.18

Finding the Fourth Proportional to 2,164.60, 3,247.50 and 1,645.18

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Solution

The fourth proportional to 2,164.60, 3,247.50 and 1,645.18 is: 2,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.60 : 3,247.50 = 1,645.18 : x
  2. Step 2: Convert to fraction form
    2,164.60/3,247.50 = 1,645.18/x
  3. Step 3: Cross multiply
    2,164.60x = 3,247.50 × 1,645.18
  4. Step 4: Simplify right side
    2,164.60x = 5,342,722.05
  5. Step 5: Solve for x
    x = 5,342,722.05/2,164.60
  6. Step 6: Final answer
    x = 2,468.23

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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.