Home / 3,701.72-5,106.03-2,815.58

Finding the Fourth Proportional to 3,701.72, 5,106.03 and 2,815.58

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Solution

The fourth proportional to 3,701.72, 5,106.03 and 2,815.58 is: 3,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.72 : 5,106.03 = 2,815.58 : x
  2. Step 2: Convert to fraction form
    3,701.72/5,106.03 = 2,815.58/x
  3. Step 3: Cross multiply
    3,701.72x = 5,106.03 × 2,815.58
  4. Step 4: Simplify right side
    3,701.72x = 14,376,421.87
  5. Step 5: Solve for x
    x = 14,376,421.87/3,701.72
  6. Step 6: Final answer
    x = 3,883.71

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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.