Home / 1,621.15-2,427.11-1,232.73

Finding the Fourth Proportional to 1,621.15, 2,427.11 and 1,232.73

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Solution

The fourth proportional to 1,621.15, 2,427.11 and 1,232.73 is: 1,845.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.15 : 2,427.11 = 1,232.73 : x
  2. Step 2: Convert to fraction form
    1,621.15/2,427.11 = 1,232.73/x
  3. Step 3: Cross multiply
    1,621.15x = 2,427.11 × 1,232.73
  4. Step 4: Simplify right side
    1,621.15x = 2,991,971.31
  5. Step 5: Solve for x
    x = 2,991,971.31/1,621.15
  6. Step 6: Final answer
    x = 1,845.59

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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.