Home / 1,853.67-2,774.97-1,121.03

Finding the Fourth Proportional to 1,853.67, 2,774.97 and 1,121.03

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Solution

The fourth proportional to 1,853.67, 2,774.97 and 1,121.03 is: 1,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.67 : 2,774.97 = 1,121.03 : x
  2. Step 2: Convert to fraction form
    1,853.67/2,774.97 = 1,121.03/x
  3. Step 3: Cross multiply
    1,853.67x = 2,774.97 × 1,121.03
  4. Step 4: Simplify right side
    1,853.67x = 3,110,824.62
  5. Step 5: Solve for x
    x = 3,110,824.62/1,853.67
  6. Step 6: Final answer
    x = 1,678.20

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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.