Home / 2,245.12-3,098.72-2,069.44

Finding the Fourth Proportional to 2,245.12, 3,098.72 and 2,069.44

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Solution

The fourth proportional to 2,245.12, 3,098.72 and 2,069.44 is: 2,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.12 : 3,098.72 = 2,069.44 : x
  2. Step 2: Convert to fraction form
    2,245.12/3,098.72 = 2,069.44/x
  3. Step 3: Cross multiply
    2,245.12x = 3,098.72 × 2,069.44
  4. Step 4: Simplify right side
    2,245.12x = 6,412,615.12
  5. Step 5: Solve for x
    x = 6,412,615.12/2,245.12
  6. Step 6: Final answer
    x = 2,856.25

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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.