Home / 2,581.25-3,563.60-1,699.61

Finding the Fourth Proportional to 2,581.25, 3,563.60 and 1,699.61

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Solution

The fourth proportional to 2,581.25, 3,563.60 and 1,699.61 is: 2,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.25 : 3,563.60 = 1,699.61 : x
  2. Step 2: Convert to fraction form
    2,581.25/3,563.60 = 1,699.61/x
  3. Step 3: Cross multiply
    2,581.25x = 3,563.60 × 1,699.61
  4. Step 4: Simplify right side
    2,581.25x = 6,056,730.20
  5. Step 5: Solve for x
    x = 6,056,730.20/2,581.25
  6. Step 6: Final answer
    x = 2,346.43

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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.