Home / 3,899.78-5,846.26-1,707.77

Finding the Fourth Proportional to 3,899.78, 5,846.26 and 1,707.77

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Solution

The fourth proportional to 3,899.78, 5,846.26 and 1,707.77 is: 2,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.78 : 5,846.26 = 1,707.77 : x
  2. Step 2: Convert to fraction form
    3,899.78/5,846.26 = 1,707.77/x
  3. Step 3: Cross multiply
    3,899.78x = 5,846.26 × 1,707.77
  4. Step 4: Simplify right side
    3,899.78x = 9,984,067.44
  5. Step 5: Solve for x
    x = 9,984,067.44/3,899.78
  6. Step 6: Final answer
    x = 2,560.16

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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.