Home / 3,858.69-5,324.96-2,090.29

Finding the Fourth Proportional to 3,858.69, 5,324.96 and 2,090.29

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Solution

The fourth proportional to 3,858.69, 5,324.96 and 2,090.29 is: 2,884.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.69 : 5,324.96 = 2,090.29 : x
  2. Step 2: Convert to fraction form
    3,858.69/5,324.96 = 2,090.29/x
  3. Step 3: Cross multiply
    3,858.69x = 5,324.96 × 2,090.29
  4. Step 4: Simplify right side
    3,858.69x = 11,130,700.78
  5. Step 5: Solve for x
    x = 11,130,700.78/3,858.69
  6. Step 6: Final answer
    x = 2,884.58

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Half scale
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Double scale
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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.