Home / 3,976.24-5,966.46-2,889.60

Finding the Fourth Proportional to 3,976.24, 5,966.46 and 2,889.60

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Solution

The fourth proportional to 3,976.24, 5,966.46 and 2,889.60 is: 4,335.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.24 : 5,966.46 = 2,889.60 : x
  2. Step 2: Convert to fraction form
    3,976.24/5,966.46 = 2,889.60/x
  3. Step 3: Cross multiply
    3,976.24x = 5,966.46 × 2,889.60
  4. Step 4: Simplify right side
    3,976.24x = 17,240,682.82
  5. Step 5: Solve for x
    x = 17,240,682.82/3,976.24
  6. Step 6: Final answer
    x = 4,335.93

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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.