Home / 2,647.28-3,647.09-2,204.42

Finding the Fourth Proportional to 2,647.28, 3,647.09 and 2,204.42

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Solution

The fourth proportional to 2,647.28, 3,647.09 and 2,204.42 is: 3,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.28 : 3,647.09 = 2,204.42 : x
  2. Step 2: Convert to fraction form
    2,647.28/3,647.09 = 2,204.42/x
  3. Step 3: Cross multiply
    2,647.28x = 3,647.09 × 2,204.42
  4. Step 4: Simplify right side
    2,647.28x = 8,039,705.41
  5. Step 5: Solve for x
    x = 8,039,705.41/2,647.28
  6. Step 6: Final answer
    x = 3,036.97

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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.