Home / 3,378.24-5,062.50-1,622.70

Finding the Fourth Proportional to 3,378.24, 5,062.50 and 1,622.70

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Solution

The fourth proportional to 3,378.24, 5,062.50 and 1,622.70 is: 2,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.24 : 5,062.50 = 1,622.70 : x
  2. Step 2: Convert to fraction form
    3,378.24/5,062.50 = 1,622.70/x
  3. Step 3: Cross multiply
    3,378.24x = 5,062.50 × 1,622.70
  4. Step 4: Simplify right side
    3,378.24x = 8,214,918.75
  5. Step 5: Solve for x
    x = 8,214,918.75/3,378.24
  6. Step 6: Final answer
    x = 2,431.72

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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.