Home / 2,889.44-3,983.28-2,060

Finding the Fourth Proportional to 2,889.44, 3,983.28 and 2,060

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Solution

The fourth proportional to 2,889.44, 3,983.28 and 2,060 is: 2,839.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.44 : 3,983.28 = 2,060 : x
  2. Step 2: Convert to fraction form
    2,889.44/3,983.28 = 2,060/x
  3. Step 3: Cross multiply
    2,889.44x = 3,983.28 × 2,060
  4. Step 4: Simplify right side
    2,889.44x = 8,205,556.80
  5. Step 5: Solve for x
    x = 8,205,556.80/2,889.44
  6. Step 6: Final answer
    x = 2,839.84

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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.