Home / 1,622.74-2,236.26-1,179.94

Finding the Fourth Proportional to 1,622.74, 2,236.26 and 1,179.94

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Solution

The fourth proportional to 1,622.74, 2,236.26 and 1,179.94 is: 1,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.74 : 2,236.26 = 1,179.94 : x
  2. Step 2: Convert to fraction form
    1,622.74/2,236.26 = 1,179.94/x
  3. Step 3: Cross multiply
    1,622.74x = 2,236.26 × 1,179.94
  4. Step 4: Simplify right side
    1,622.74x = 2,638,652.62
  5. Step 5: Solve for x
    x = 2,638,652.62/1,622.74
  6. Step 6: Final answer
    x = 1,626.05

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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.