Home / 3,676.60-5,067.81-2,878.58

Finding the Fourth Proportional to 3,676.60, 5,067.81 and 2,878.58

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Solution

The fourth proportional to 3,676.60, 5,067.81 and 2,878.58 is: 3,967.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.60 : 5,067.81 = 2,878.58 : x
  2. Step 2: Convert to fraction form
    3,676.60/5,067.81 = 2,878.58/x
  3. Step 3: Cross multiply
    3,676.60x = 5,067.81 × 2,878.58
  4. Step 4: Simplify right side
    3,676.60x = 14,588,096.51
  5. Step 5: Solve for x
    x = 14,588,096.51/3,676.60
  6. Step 6: Final answer
    x = 3,967.82

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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.