Home / 3,090.03-4,634.64-1,791.60

Finding the Fourth Proportional to 3,090.03, 4,634.64 and 1,791.60

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Solution

The fourth proportional to 3,090.03, 4,634.64 and 1,791.60 is: 2,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.03 : 4,634.64 = 1,791.60 : x
  2. Step 2: Convert to fraction form
    3,090.03/4,634.64 = 1,791.60/x
  3. Step 3: Cross multiply
    3,090.03x = 4,634.64 × 1,791.60
  4. Step 4: Simplify right side
    3,090.03x = 8,303,421.02
  5. Step 5: Solve for x
    x = 8,303,421.02/3,090.03
  6. Step 6: Final answer
    x = 2,687.17

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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.