Home / 2,918.91-4,027.34-1,739.15

Finding the Fourth Proportional to 2,918.91, 4,027.34 and 1,739.15

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Solution

The fourth proportional to 2,918.91, 4,027.34 and 1,739.15 is: 2,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.91 : 4,027.34 = 1,739.15 : x
  2. Step 2: Convert to fraction form
    2,918.91/4,027.34 = 1,739.15/x
  3. Step 3: Cross multiply
    2,918.91x = 4,027.34 × 1,739.15
  4. Step 4: Simplify right side
    2,918.91x = 7,004,132.57
  5. Step 5: Solve for x
    x = 7,004,132.57/2,918.91
  6. Step 6: Final answer
    x = 2,399.57

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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.