Home / 2,856.43-4,285.05-1,296.94

Finding the Fourth Proportional to 2,856.43, 4,285.05 and 1,296.94

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Solution

The fourth proportional to 2,856.43, 4,285.05 and 1,296.94 is: 1,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.43 : 4,285.05 = 1,296.94 : x
  2. Step 2: Convert to fraction form
    2,856.43/4,285.05 = 1,296.94/x
  3. Step 3: Cross multiply
    2,856.43x = 4,285.05 × 1,296.94
  4. Step 4: Simplify right side
    2,856.43x = 5,557,452.75
  5. Step 5: Solve for x
    x = 5,557,452.75/2,856.43
  6. Step 6: Final answer
    x = 1,945.59

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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.