Home / 1,600.26-2,400.86-1,161.95

Finding the Fourth Proportional to 1,600.26, 2,400.86 and 1,161.95

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Solution

The fourth proportional to 1,600.26, 2,400.86 and 1,161.95 is: 1,743.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.26 : 2,400.86 = 1,161.95 : x
  2. Step 2: Convert to fraction form
    1,600.26/2,400.86 = 1,161.95/x
  3. Step 3: Cross multiply
    1,600.26x = 2,400.86 × 1,161.95
  4. Step 4: Simplify right side
    1,600.26x = 2,789,679.28
  5. Step 5: Solve for x
    x = 2,789,679.28/1,600.26
  6. Step 6: Final answer
    x = 1,743.27

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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.