Home / 2,882.54-3,976.30-1,889.42

Finding the Fourth Proportional to 2,882.54, 3,976.30 and 1,889.42

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Solution

The fourth proportional to 2,882.54, 3,976.30 and 1,889.42 is: 2,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.54 : 3,976.30 = 1,889.42 : x
  2. Step 2: Convert to fraction form
    2,882.54/3,976.30 = 1,889.42/x
  3. Step 3: Cross multiply
    2,882.54x = 3,976.30 × 1,889.42
  4. Step 4: Simplify right side
    2,882.54x = 7,512,900.75
  5. Step 5: Solve for x
    x = 7,512,900.75/2,882.54
  6. Step 6: Final answer
    x = 2,606.35

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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.