Home / 1,615.83-2,226.74-1,149.27

Finding the Fourth Proportional to 1,615.83, 2,226.74 and 1,149.27

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Solution

The fourth proportional to 1,615.83, 2,226.74 and 1,149.27 is: 1,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.83 : 2,226.74 = 1,149.27 : x
  2. Step 2: Convert to fraction form
    1,615.83/2,226.74 = 1,149.27/x
  3. Step 3: Cross multiply
    1,615.83x = 2,226.74 × 1,149.27
  4. Step 4: Simplify right side
    1,615.83x = 2,559,119.73
  5. Step 5: Solve for x
    x = 2,559,119.73/1,615.83
  6. Step 6: Final answer
    x = 1,583.78

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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.