Home / 3,091.09-4,635.51-899.23

Finding the Fourth Proportional to 3,091.09, 4,635.51 and 899.23

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Solution

The fourth proportional to 3,091.09, 4,635.51 and 899.23 is: 1,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.09 : 4,635.51 = 899.23 : x
  2. Step 2: Convert to fraction form
    3,091.09/4,635.51 = 899.23/x
  3. Step 3: Cross multiply
    3,091.09x = 4,635.51 × 899.23
  4. Step 4: Simplify right side
    3,091.09x = 4,168,389.66
  5. Step 5: Solve for x
    x = 4,168,389.66/3,091.09
  6. Step 6: Final answer
    x = 1,348.52

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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.