Home / 1,485.41-2,224.91-704.23

Finding the Fourth Proportional to 1,485.41, 2,224.91 and 704.23

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Solution

The fourth proportional to 1,485.41, 2,224.91 and 704.23 is: 1,054.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.41 : 2,224.91 = 704.23 : x
  2. Step 2: Convert to fraction form
    1,485.41/2,224.91 = 704.23/x
  3. Step 3: Cross multiply
    1,485.41x = 2,224.91 × 704.23
  4. Step 4: Simplify right side
    1,485.41x = 1,566,844.57
  5. Step 5: Solve for x
    x = 1,566,844.57/1,485.41
  6. Step 6: Final answer
    x = 1,054.83

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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.