Home / 3,908.90-5,864.58-1,719.47

Finding the Fourth Proportional to 3,908.90, 5,864.58 and 1,719.47

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Solution

The fourth proportional to 3,908.90, 5,864.58 and 1,719.47 is: 2,579.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.90 : 5,864.58 = 1,719.47 : x
  2. Step 2: Convert to fraction form
    3,908.90/5,864.58 = 1,719.47/x
  3. Step 3: Cross multiply
    3,908.90x = 5,864.58 × 1,719.47
  4. Step 4: Simplify right side
    3,908.90x = 10,083,969.37
  5. Step 5: Solve for x
    x = 10,083,969.37/3,908.90
  6. Step 6: Final answer
    x = 2,579.75

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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.