Home / 3,226.66-4,838.31-1,666.66

Finding the Fourth Proportional to 3,226.66, 4,838.31 and 1,666.66

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Solution

The fourth proportional to 3,226.66, 4,838.31 and 1,666.66 is: 2,499.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.66 : 4,838.31 = 1,666.66 : x
  2. Step 2: Convert to fraction form
    3,226.66/4,838.31 = 1,666.66/x
  3. Step 3: Cross multiply
    3,226.66x = 4,838.31 × 1,666.66
  4. Step 4: Simplify right side
    3,226.66x = 8,063,817.74
  5. Step 5: Solve for x
    x = 8,063,817.74/3,226.66
  6. Step 6: Final answer
    x = 2,499.12

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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.