Home / 3,698.58-5,103.87-2,020.06

Finding the Fourth Proportional to 3,698.58, 5,103.87 and 2,020.06

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Solution

The fourth proportional to 3,698.58, 5,103.87 and 2,020.06 is: 2,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.58 : 5,103.87 = 2,020.06 : x
  2. Step 2: Convert to fraction form
    3,698.58/5,103.87 = 2,020.06/x
  3. Step 3: Cross multiply
    3,698.58x = 5,103.87 × 2,020.06
  4. Step 4: Simplify right side
    3,698.58x = 10,310,123.63
  5. Step 5: Solve for x
    x = 10,310,123.63/3,698.58
  6. Step 6: Final answer
    x = 2,787.59

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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.