Home / 3,814.60-5,719.46-1,622.20

Finding the Fourth Proportional to 3,814.60, 5,719.46 and 1,622.20

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Solution

The fourth proportional to 3,814.60, 5,719.46 and 1,622.20 is: 2,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.60 : 5,719.46 = 1,622.20 : x
  2. Step 2: Convert to fraction form
    3,814.60/5,719.46 = 1,622.20/x
  3. Step 3: Cross multiply
    3,814.60x = 5,719.46 × 1,622.20
  4. Step 4: Simplify right side
    3,814.60x = 9,278,108.01
  5. Step 5: Solve for x
    x = 9,278,108.01/3,814.60
  6. Step 6: Final answer
    x = 2,432.26

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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.