Home / 2,620.90-3,616.68-1,573.54

Finding the Fourth Proportional to 2,620.90, 3,616.68 and 1,573.54

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Solution

The fourth proportional to 2,620.90, 3,616.68 and 1,573.54 is: 2,171.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.90 : 3,616.68 = 1,573.54 : x
  2. Step 2: Convert to fraction form
    2,620.90/3,616.68 = 1,573.54/x
  3. Step 3: Cross multiply
    2,620.90x = 3,616.68 × 1,573.54
  4. Step 4: Simplify right side
    2,620.90x = 5,690,990.65
  5. Step 5: Solve for x
    x = 5,690,990.65/2,620.90
  6. Step 6: Final answer
    x = 2,171.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.