Home / 2,845.35-4,260.57-2,287.09

Finding the Fourth Proportional to 2,845.35, 4,260.57 and 2,287.09

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Solution

The fourth proportional to 2,845.35, 4,260.57 and 2,287.09 is: 3,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.35 : 4,260.57 = 2,287.09 : x
  2. Step 2: Convert to fraction form
    2,845.35/4,260.57 = 2,287.09/x
  3. Step 3: Cross multiply
    2,845.35x = 4,260.57 × 2,287.09
  4. Step 4: Simplify right side
    2,845.35x = 9,744,279.82
  5. Step 5: Solve for x
    x = 9,744,279.82/2,845.35
  6. Step 6: Final answer
    x = 3,424.63

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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.