Home / 3,676.88-5,073.80-2,185.18

Finding the Fourth Proportional to 3,676.88, 5,073.80 and 2,185.18

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Solution

The fourth proportional to 3,676.88, 5,073.80 and 2,185.18 is: 3,015.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.88 : 5,073.80 = 2,185.18 : x
  2. Step 2: Convert to fraction form
    3,676.88/5,073.80 = 2,185.18/x
  3. Step 3: Cross multiply
    3,676.88x = 5,073.80 × 2,185.18
  4. Step 4: Simplify right side
    3,676.88x = 11,087,142.67
  5. Step 5: Solve for x
    x = 11,087,142.67/3,676.88
  6. Step 6: Final answer
    x = 3,015.36

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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.