Home / 2,919.59-4,027.04-1,739.75

Finding the Fourth Proportional to 2,919.59, 4,027.04 and 1,739.75

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Solution

The fourth proportional to 2,919.59, 4,027.04 and 1,739.75 is: 2,399.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.59 : 4,027.04 = 1,739.75 : x
  2. Step 2: Convert to fraction form
    2,919.59/4,027.04 = 1,739.75/x
  3. Step 3: Cross multiply
    2,919.59x = 4,027.04 × 1,739.75
  4. Step 4: Simplify right side
    2,919.59x = 7,006,034.14
  5. Step 5: Solve for x
    x = 7,006,034.14/2,919.59
  6. Step 6: Final answer
    x = 2,399.66

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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.