Home / 3,090.26-4,634.66-1,241.40

Finding the Fourth Proportional to 3,090.26, 4,634.66 and 1,241.40

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Solution

The fourth proportional to 3,090.26, 4,634.66 and 1,241.40 is: 1,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.26 : 4,634.66 = 1,241.40 : x
  2. Step 2: Convert to fraction form
    3,090.26/4,634.66 = 1,241.40/x
  3. Step 3: Cross multiply
    3,090.26x = 4,634.66 × 1,241.40
  4. Step 4: Simplify right side
    3,090.26x = 5,753,466.92
  5. Step 5: Solve for x
    x = 5,753,466.92/3,090.26
  6. Step 6: Final answer
    x = 1,861.81

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1.5x scale

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.