Home / 2,006.98-2,769.74-1,122.73

Finding the Fourth Proportional to 2,006.98, 2,769.74 and 1,122.73

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Solution

The fourth proportional to 2,006.98, 2,769.74 and 1,122.73 is: 1,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.98 : 2,769.74 = 1,122.73 : x
  2. Step 2: Convert to fraction form
    2,006.98/2,769.74 = 1,122.73/x
  3. Step 3: Cross multiply
    2,006.98x = 2,769.74 × 1,122.73
  4. Step 4: Simplify right side
    2,006.98x = 3,109,670.19
  5. Step 5: Solve for x
    x = 3,109,670.19/2,006.98
  6. Step 6: Final answer
    x = 1,549.43

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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.