Home / 2,284.68-3,427.02-1,245.72

Finding the Fourth Proportional to 2,284.68, 3,427.02 and 1,245.72

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Solution

The fourth proportional to 2,284.68, 3,427.02 and 1,245.72 is: 1,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.68 : 3,427.02 = 1,245.72 : x
  2. Step 2: Convert to fraction form
    2,284.68/3,427.02 = 1,245.72/x
  3. Step 3: Cross multiply
    2,284.68x = 3,427.02 × 1,245.72
  4. Step 4: Simplify right side
    2,284.68x = 4,269,107.35
  5. Step 5: Solve for x
    x = 4,269,107.35/2,284.68
  6. Step 6: Final answer
    x = 1,868.58

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Similar ratio
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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.