Home / 1,621.26-2,236.73-1,023.58

Finding the Fourth Proportional to 1,621.26, 2,236.73 and 1,023.58

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Solution

The fourth proportional to 1,621.26, 2,236.73 and 1,023.58 is: 1,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.26 : 2,236.73 = 1,023.58 : x
  2. Step 2: Convert to fraction form
    1,621.26/2,236.73 = 1,023.58/x
  3. Step 3: Cross multiply
    1,621.26x = 2,236.73 × 1,023.58
  4. Step 4: Simplify right side
    1,621.26x = 2,289,469.77
  5. Step 5: Solve for x
    x = 2,289,469.77/1,621.26
  6. Step 6: Final answer
    x = 1,412.15

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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.