Home / 2,845.92-4,266.74-1,918.88

Finding the Fourth Proportional to 2,845.92, 4,266.74 and 1,918.88

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Solution

The fourth proportional to 2,845.92, 4,266.74 and 1,918.88 is: 2,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.92 : 4,266.74 = 1,918.88 : x
  2. Step 2: Convert to fraction form
    2,845.92/4,266.74 = 1,918.88/x
  3. Step 3: Cross multiply
    2,845.92x = 4,266.74 × 1,918.88
  4. Step 4: Simplify right side
    2,845.92x = 8,187,362.05
  5. Step 5: Solve for x
    x = 8,187,362.05/2,845.92
  6. Step 6: Final answer
    x = 2,876.88

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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.