Home / 2,817.03-4,222.56-1,061.27

Finding the Fourth Proportional to 2,817.03, 4,222.56 and 1,061.27

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Solution

The fourth proportional to 2,817.03, 4,222.56 and 1,061.27 is: 1,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.03 : 4,222.56 = 1,061.27 : x
  2. Step 2: Convert to fraction form
    2,817.03/4,222.56 = 1,061.27/x
  3. Step 3: Cross multiply
    2,817.03x = 4,222.56 × 1,061.27
  4. Step 4: Simplify right side
    2,817.03x = 4,481,273.94
  5. Step 5: Solve for x
    x = 4,481,273.94/2,817.03
  6. Step 6: Final answer
    x = 1,590.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.