Home / 1,110.26-1,532.16-668.27

Finding the Fourth Proportional to 1,110.26, 1,532.16 and 668.27

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Solution

The fourth proportional to 1,110.26, 1,532.16 and 668.27 is: 922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.26 : 1,532.16 = 668.27 : x
  2. Step 2: Convert to fraction form
    1,110.26/1,532.16 = 668.27/x
  3. Step 3: Cross multiply
    1,110.26x = 1,532.16 × 668.27
  4. Step 4: Simplify right side
    1,110.26x = 1,023,888.90
  5. Step 5: Solve for x
    x = 1,023,888.90/1,110.26
  6. Step 6: Final answer
    x = 922.21

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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.