Home / 3,090.29-4,629.25-1,857.03

Finding the Fourth Proportional to 3,090.29, 4,629.25 and 1,857.03

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Solution

The fourth proportional to 3,090.29, 4,629.25 and 1,857.03 is: 2,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.29 : 4,629.25 = 1,857.03 : x
  2. Step 2: Convert to fraction form
    3,090.29/4,629.25 = 1,857.03/x
  3. Step 3: Cross multiply
    3,090.29x = 4,629.25 × 1,857.03
  4. Step 4: Simplify right side
    3,090.29x = 8,596,641.09
  5. Step 5: Solve for x
    x = 8,596,641.09/3,090.29
  6. Step 6: Final answer
    x = 2,781.83

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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.