Home / 1,719.25-2,579.07-1,289.14

Finding the Fourth Proportional to 1,719.25, 2,579.07 and 1,289.14

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Solution

The fourth proportional to 1,719.25, 2,579.07 and 1,289.14 is: 1,933.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.25 : 2,579.07 = 1,289.14 : x
  2. Step 2: Convert to fraction form
    1,719.25/2,579.07 = 1,289.14/x
  3. Step 3: Cross multiply
    1,719.25x = 2,579.07 × 1,289.14
  4. Step 4: Simplify right side
    1,719.25x = 3,324,782.30
  5. Step 5: Solve for x
    x = 3,324,782.30/1,719.25
  6. Step 6: Final answer
    x = 1,933.86

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1.5x scale

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.