Home / 4,226.72-6,341.18-1,628.80

Finding the Fourth Proportional to 4,226.72, 6,341.18 and 1,628.80

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Solution

The fourth proportional to 4,226.72, 6,341.18 and 1,628.80 is: 2,443.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.72 : 6,341.18 = 1,628.80 : x
  2. Step 2: Convert to fraction form
    4,226.72/6,341.18 = 1,628.80/x
  3. Step 3: Cross multiply
    4,226.72x = 6,341.18 × 1,628.80
  4. Step 4: Simplify right side
    4,226.72x = 10,328,513.98
  5. Step 5: Solve for x
    x = 10,328,513.98/4,226.72
  6. Step 6: Final answer
    x = 2,443.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.