Home / 1,485.26-2,224.62-1,386.44

Finding the Fourth Proportional to 1,485.26, 2,224.62 and 1,386.44

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Solution

The fourth proportional to 1,485.26, 2,224.62 and 1,386.44 is: 2,076.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.26 : 2,224.62 = 1,386.44 : x
  2. Step 2: Convert to fraction form
    1,485.26/2,224.62 = 1,386.44/x
  3. Step 3: Cross multiply
    1,485.26x = 2,224.62 × 1,386.44
  4. Step 4: Simplify right side
    1,485.26x = 3,084,291.03
  5. Step 5: Solve for x
    x = 3,084,291.03/1,485.26
  6. Step 6: Final answer
    x = 2,076.61

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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.