Home / 3,676.77-5,073.13-2,185.18

Finding the Fourth Proportional to 3,676.77, 5,073.13 and 2,185.18

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Solution

The fourth proportional to 3,676.77, 5,073.13 and 2,185.18 is: 3,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.77 : 5,073.13 = 2,185.18 : x
  2. Step 2: Convert to fraction form
    3,676.77/5,073.13 = 2,185.18/x
  3. Step 3: Cross multiply
    3,676.77x = 5,073.13 × 2,185.18
  4. Step 4: Simplify right side
    3,676.77x = 11,085,702.21
  5. Step 5: Solve for x
    x = 11,085,702.21/3,676.77
  6. Step 6: Final answer
    x = 3,015.07

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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.