Home / 3,789.36-5,676.48-2,331.36

Finding the Fourth Proportional to 3,789.36, 5,676.48 and 2,331.36

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Solution

The fourth proportional to 3,789.36, 5,676.48 and 2,331.36 is: 3,492.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.36 : 5,676.48 = 2,331.36 : x
  2. Step 2: Convert to fraction form
    3,789.36/5,676.48 = 2,331.36/x
  3. Step 3: Cross multiply
    3,789.36x = 5,676.48 × 2,331.36
  4. Step 4: Simplify right side
    3,789.36x = 13,233,918.41
  5. Step 5: Solve for x
    x = 13,233,918.41/3,789.36
  6. Step 6: Final answer
    x = 3,492.39

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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.