Home / 2,738.58-3,774.45-1,982.34

Finding the Fourth Proportional to 2,738.58, 3,774.45 and 1,982.34

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Solution

The fourth proportional to 2,738.58, 3,774.45 and 1,982.34 is: 2,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.58 : 3,774.45 = 1,982.34 : x
  2. Step 2: Convert to fraction form
    2,738.58/3,774.45 = 1,982.34/x
  3. Step 3: Cross multiply
    2,738.58x = 3,774.45 × 1,982.34
  4. Step 4: Simplify right side
    2,738.58x = 7,482,243.21
  5. Step 5: Solve for x
    x = 7,482,243.21/2,738.58
  6. Step 6: Final answer
    x = 2,732.16

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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.