Home / 3,353.57-4,623.67-2,786.30

Finding the Fourth Proportional to 3,353.57, 4,623.67 and 2,786.30

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Solution

The fourth proportional to 3,353.57, 4,623.67 and 2,786.30 is: 3,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.57 : 4,623.67 = 2,786.30 : x
  2. Step 2: Convert to fraction form
    3,353.57/4,623.67 = 2,786.30/x
  3. Step 3: Cross multiply
    3,353.57x = 4,623.67 × 2,786.30
  4. Step 4: Simplify right side
    3,353.57x = 12,882,931.72
  5. Step 5: Solve for x
    x = 12,882,931.72/3,353.57
  6. Step 6: Final answer
    x = 3,841.56

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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.