Home / 2,869.44-3,961.72-2,205.08

Finding the Fourth Proportional to 2,869.44, 3,961.72 and 2,205.08

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Solution

The fourth proportional to 2,869.44, 3,961.72 and 2,205.08 is: 3,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.44 : 3,961.72 = 2,205.08 : x
  2. Step 2: Convert to fraction form
    2,869.44/3,961.72 = 2,205.08/x
  3. Step 3: Cross multiply
    2,869.44x = 3,961.72 × 2,205.08
  4. Step 4: Simplify right side
    2,869.44x = 8,735,909.54
  5. Step 5: Solve for x
    x = 8,735,909.54/2,869.44
  6. Step 6: Final answer
    x = 3,044.46

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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.