Home / 3,090.71-4,646.10-2,481.09

Finding the Fourth Proportional to 3,090.71, 4,646.10 and 2,481.09

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Solution

The fourth proportional to 3,090.71, 4,646.10 and 2,481.09 is: 3,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.71 : 4,646.10 = 2,481.09 : x
  2. Step 2: Convert to fraction form
    3,090.71/4,646.10 = 2,481.09/x
  3. Step 3: Cross multiply
    3,090.71x = 4,646.10 × 2,481.09
  4. Step 4: Simplify right side
    3,090.71x = 11,527,392.25
  5. Step 5: Solve for x
    x = 11,527,392.25/3,090.71
  6. Step 6: Final answer
    x = 3,729.70

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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.