Home / 3,858.53-5,324.79-2,090.16

Finding the Fourth Proportional to 3,858.53, 5,324.79 and 2,090.16

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Solution

The fourth proportional to 3,858.53, 5,324.79 and 2,090.16 is: 2,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.53 : 5,324.79 = 2,090.16 : x
  2. Step 2: Convert to fraction form
    3,858.53/5,324.79 = 2,090.16/x
  3. Step 3: Cross multiply
    3,858.53x = 5,324.79 × 2,090.16
  4. Step 4: Simplify right side
    3,858.53x = 11,129,663.07
  5. Step 5: Solve for x
    x = 11,129,663.07/3,858.53
  6. Step 6: Final answer
    x = 2,884.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.