Home / 3,977.44-5,966.15-1,785.58

Finding the Fourth Proportional to 3,977.44, 5,966.15 and 1,785.58

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Solution

The fourth proportional to 3,977.44, 5,966.15 and 1,785.58 is: 2,678.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.44 : 5,966.15 = 1,785.58 : x
  2. Step 2: Convert to fraction form
    3,977.44/5,966.15 = 1,785.58/x
  3. Step 3: Cross multiply
    3,977.44x = 5,966.15 × 1,785.58
  4. Step 4: Simplify right side
    3,977.44x = 10,653,014.27
  5. Step 5: Solve for x
    x = 10,653,014.27/3,977.44
  6. Step 6: Final answer
    x = 2,678.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.