Home / 3,090.39-4,634.49-1,334.91

Finding the Fourth Proportional to 3,090.39, 4,634.49 and 1,334.91

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Solution

The fourth proportional to 3,090.39, 4,634.49 and 1,334.91 is: 2,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.39 : 4,634.49 = 1,334.91 : x
  2. Step 2: Convert to fraction form
    3,090.39/4,634.49 = 1,334.91/x
  3. Step 3: Cross multiply
    3,090.39x = 4,634.49 × 1,334.91
  4. Step 4: Simplify right side
    3,090.39x = 6,186,627.05
  5. Step 5: Solve for x
    x = 6,186,627.05/3,090.39
  6. Step 6: Final answer
    x = 2,001.89

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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.