Home / 3,353.35-4,627.90-1,861.42

Finding the Fourth Proportional to 3,353.35, 4,627.90 and 1,861.42

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Solution

The fourth proportional to 3,353.35, 4,627.90 and 1,861.42 is: 2,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.35 : 4,627.90 = 1,861.42 : x
  2. Step 2: Convert to fraction form
    3,353.35/4,627.90 = 1,861.42/x
  3. Step 3: Cross multiply
    3,353.35x = 4,627.90 × 1,861.42
  4. Step 4: Simplify right side
    3,353.35x = 8,614,465.62
  5. Step 5: Solve for x
    x = 8,614,465.62/3,353.35
  6. Step 6: Final answer
    x = 2,568.91

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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.