Home / 4,272.60-5,896.38-2,853.80

Finding the Fourth Proportional to 4,272.60, 5,896.38 and 2,853.80

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Solution

The fourth proportional to 4,272.60, 5,896.38 and 2,853.80 is: 3,938.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.60 : 5,896.38 = 2,853.80 : x
  2. Step 2: Convert to fraction form
    4,272.60/5,896.38 = 2,853.80/x
  3. Step 3: Cross multiply
    4,272.60x = 5,896.38 × 2,853.80
  4. Step 4: Simplify right side
    4,272.60x = 16,827,089.24
  5. Step 5: Solve for x
    x = 16,827,089.24/4,272.60
  6. Step 6: Final answer
    x = 3,938.37

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1.5x scale

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.