Home / 3,353.45-4,627.22-1,861.33

Finding the Fourth Proportional to 3,353.45, 4,627.22 and 1,861.33

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Solution

The fourth proportional to 3,353.45, 4,627.22 and 1,861.33 is: 2,568.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.45 : 4,627.22 = 1,861.33 : x
  2. Step 2: Convert to fraction form
    3,353.45/4,627.22 = 1,861.33/x
  3. Step 3: Cross multiply
    3,353.45x = 4,627.22 × 1,861.33
  4. Step 4: Simplify right side
    3,353.45x = 8,612,783.40
  5. Step 5: Solve for x
    x = 8,612,783.40/3,353.45
  6. Step 6: Final answer
    x = 2,568.34

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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.