Home / 2,869.08-3,959.46-2,247

Finding the Fourth Proportional to 2,869.08, 3,959.46 and 2,247

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Solution

The fourth proportional to 2,869.08, 3,959.46 and 2,247 is: 3,100.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.08 : 3,959.46 = 2,247 : x
  2. Step 2: Convert to fraction form
    2,869.08/3,959.46 = 2,247/x
  3. Step 3: Cross multiply
    2,869.08x = 3,959.46 × 2,247
  4. Step 4: Simplify right side
    2,869.08x = 8,896,906.62
  5. Step 5: Solve for x
    x = 8,896,906.62/2,869.08
  6. Step 6: Final answer
    x = 3,100.96

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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.