Home / 1,755.18-2,626.56-1,291.86

Finding the Fourth Proportional to 1,755.18, 2,626.56 and 1,291.86

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Solution

The fourth proportional to 1,755.18, 2,626.56 and 1,291.86 is: 1,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.18 : 2,626.56 = 1,291.86 : x
  2. Step 2: Convert to fraction form
    1,755.18/2,626.56 = 1,291.86/x
  3. Step 3: Cross multiply
    1,755.18x = 2,626.56 × 1,291.86
  4. Step 4: Simplify right side
    1,755.18x = 3,393,147.80
  5. Step 5: Solve for x
    x = 3,393,147.80/1,755.18
  6. Step 6: Final answer
    x = 1,933.22

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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.