Home / 2,906.21-4,010.85-1,647.33

Finding the Fourth Proportional to 2,906.21, 4,010.85 and 1,647.33

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Solution

The fourth proportional to 2,906.21, 4,010.85 and 1,647.33 is: 2,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.21 : 4,010.85 = 1,647.33 : x
  2. Step 2: Convert to fraction form
    2,906.21/4,010.85 = 1,647.33/x
  3. Step 3: Cross multiply
    2,906.21x = 4,010.85 × 1,647.33
  4. Step 4: Simplify right side
    2,906.21x = 6,607,178.49
  5. Step 5: Solve for x
    x = 6,607,178.49/2,906.21
  6. Step 6: Final answer
    x = 2,273.47

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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.