Home / 2,853.16-4,276.67-1,865.60

Finding the Fourth Proportional to 2,853.16, 4,276.67 and 1,865.60

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Solution

The fourth proportional to 2,853.16, 4,276.67 and 1,865.60 is: 2,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.16 : 4,276.67 = 1,865.60 : x
  2. Step 2: Convert to fraction form
    2,853.16/4,276.67 = 1,865.60/x
  3. Step 3: Cross multiply
    2,853.16x = 4,276.67 × 1,865.60
  4. Step 4: Simplify right side
    2,853.16x = 7,978,540.88
  5. Step 5: Solve for x
    x = 7,978,540.88/2,853.16
  6. Step 6: Final answer
    x = 2,796.39

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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.