Home / 3,517.52-5,276.30-1,979.60

Finding the Fourth Proportional to 3,517.52, 5,276.30 and 1,979.60

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Solution

The fourth proportional to 3,517.52, 5,276.30 and 1,979.60 is: 2,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.52 : 5,276.30 = 1,979.60 : x
  2. Step 2: Convert to fraction form
    3,517.52/5,276.30 = 1,979.60/x
  3. Step 3: Cross multiply
    3,517.52x = 5,276.30 × 1,979.60
  4. Step 4: Simplify right side
    3,517.52x = 10,444,963.48
  5. Step 5: Solve for x
    x = 10,444,963.48/3,517.52
  6. Step 6: Final answer
    x = 2,969.41

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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.