Home / 2,845.52-4,268.30-2,721.60

Finding the Fourth Proportional to 2,845.52, 4,268.30 and 2,721.60

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Solution

The fourth proportional to 2,845.52, 4,268.30 and 2,721.60 is: 4,082.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.52 : 4,268.30 = 2,721.60 : x
  2. Step 2: Convert to fraction form
    2,845.52/4,268.30 = 2,721.60/x
  3. Step 3: Cross multiply
    2,845.52x = 4,268.30 × 2,721.60
  4. Step 4: Simplify right side
    2,845.52x = 11,616,605.28
  5. Step 5: Solve for x
    x = 11,616,605.28/2,845.52
  6. Step 6: Final answer
    x = 4,082.42

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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.