Home / 1,622.87-2,234.65-1,360.43

Finding the Fourth Proportional to 1,622.87, 2,234.65 and 1,360.43

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Solution

The fourth proportional to 1,622.87, 2,234.65 and 1,360.43 is: 1,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.87 : 2,234.65 = 1,360.43 : x
  2. Step 2: Convert to fraction form
    1,622.87/2,234.65 = 1,360.43/x
  3. Step 3: Cross multiply
    1,622.87x = 2,234.65 × 1,360.43
  4. Step 4: Simplify right side
    1,622.87x = 3,040,084.90
  5. Step 5: Solve for x
    x = 3,040,084.90/1,622.87
  6. Step 6: Final answer
    x = 1,873.28

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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.