Home / 1,086.16-1,629.33-501.16

Finding the Fourth Proportional to 1,086.16, 1,629.33 and 501.16

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Solution

The fourth proportional to 1,086.16, 1,629.33 and 501.16 is: 751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086.16 : 1,629.33 = 501.16 : x
  2. Step 2: Convert to fraction form
    1,086.16/1,629.33 = 501.16/x
  3. Step 3: Cross multiply
    1,086.16x = 1,629.33 × 501.16
  4. Step 4: Simplify right side
    1,086.16x = 816,555.02
  5. Step 5: Solve for x
    x = 816,555.02/1,086.16
  6. Step 6: Final answer
    x = 751.78

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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.