Home / 1,771.26-2,651.46-1,153.62

Finding the Fourth Proportional to 1,771.26, 2,651.46 and 1,153.62

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Solution

The fourth proportional to 1,771.26, 2,651.46 and 1,153.62 is: 1,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.26 : 2,651.46 = 1,153.62 : x
  2. Step 2: Convert to fraction form
    1,771.26/2,651.46 = 1,153.62/x
  3. Step 3: Cross multiply
    1,771.26x = 2,651.46 × 1,153.62
  4. Step 4: Simplify right side
    1,771.26x = 3,058,777.29
  5. Step 5: Solve for x
    x = 3,058,777.29/1,771.26
  6. Step 6: Final answer
    x = 1,726.89

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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.