Home / 3,207.94-4,427.02-2,012.97

Finding the Fourth Proportional to 3,207.94, 4,427.02 and 2,012.97

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Solution

The fourth proportional to 3,207.94, 4,427.02 and 2,012.97 is: 2,777.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.94 : 4,427.02 = 2,012.97 : x
  2. Step 2: Convert to fraction form
    3,207.94/4,427.02 = 2,012.97/x
  3. Step 3: Cross multiply
    3,207.94x = 4,427.02 × 2,012.97
  4. Step 4: Simplify right side
    3,207.94x = 8,911,458.45
  5. Step 5: Solve for x
    x = 8,911,458.45/3,207.94
  6. Step 6: Final answer
    x = 2,777.94

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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.