Home / 3,090.33-4,635.93-899.22

Finding the Fourth Proportional to 3,090.33, 4,635.93 and 899.22

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Solution

The fourth proportional to 3,090.33, 4,635.93 and 899.22 is: 1,348.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.33 : 4,635.93 = 899.22 : x
  2. Step 2: Convert to fraction form
    3,090.33/4,635.93 = 899.22/x
  3. Step 3: Cross multiply
    3,090.33x = 4,635.93 × 899.22
  4. Step 4: Simplify right side
    3,090.33x = 4,168,720.97
  5. Step 5: Solve for x
    x = 4,168,720.97/3,090.33
  6. Step 6: Final answer
    x = 1,348.96

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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.