Home / 2,327.85-3,489.30-1,285.59

Finding the Fourth Proportional to 2,327.85, 3,489.30 and 1,285.59

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Solution

The fourth proportional to 2,327.85, 3,489.30 and 1,285.59 is: 1,927.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.85 : 3,489.30 = 1,285.59 : x
  2. Step 2: Convert to fraction form
    2,327.85/3,489.30 = 1,285.59/x
  3. Step 3: Cross multiply
    2,327.85x = 3,489.30 × 1,285.59
  4. Step 4: Simplify right side
    2,327.85x = 4,485,809.19
  5. Step 5: Solve for x
    x = 4,485,809.19/2,327.85
  6. Step 6: Final answer
    x = 1,927.02

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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.