Home / 2,897.96-4,020.43-2,794.28

Finding the Fourth Proportional to 2,897.96, 4,020.43 and 2,794.28

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Solution

The fourth proportional to 2,897.96, 4,020.43 and 2,794.28 is: 3,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.96 : 4,020.43 = 2,794.28 : x
  2. Step 2: Convert to fraction form
    2,897.96/4,020.43 = 2,794.28/x
  3. Step 3: Cross multiply
    2,897.96x = 4,020.43 × 2,794.28
  4. Step 4: Simplify right side
    2,897.96x = 11,234,207.14
  5. Step 5: Solve for x
    x = 11,234,207.14/2,897.96
  6. Step 6: Final answer
    x = 3,876.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.