Home / 3,343.45-4,609.42-2,818.57

Finding the Fourth Proportional to 3,343.45, 4,609.42 and 2,818.57

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Solution

The fourth proportional to 3,343.45, 4,609.42 and 2,818.57 is: 3,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.45 : 4,609.42 = 2,818.57 : x
  2. Step 2: Convert to fraction form
    3,343.45/4,609.42 = 2,818.57/x
  3. Step 3: Cross multiply
    3,343.45x = 4,609.42 × 2,818.57
  4. Step 4: Simplify right side
    3,343.45x = 12,991,972.93
  5. Step 5: Solve for x
    x = 12,991,972.93/3,343.45
  6. Step 6: Final answer
    x = 3,885.80

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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.