Home / 3,063.05-4,226.98-1,665.80

Finding the Fourth Proportional to 3,063.05, 4,226.98 and 1,665.80

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Solution

The fourth proportional to 3,063.05, 4,226.98 and 1,665.80 is: 2,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.05 : 4,226.98 = 1,665.80 : x
  2. Step 2: Convert to fraction form
    3,063.05/4,226.98 = 1,665.80/x
  3. Step 3: Cross multiply
    3,063.05x = 4,226.98 × 1,665.80
  4. Step 4: Simplify right side
    3,063.05x = 7,041,273.82
  5. Step 5: Solve for x
    x = 7,041,273.82/3,063.05
  6. Step 6: Final answer
    x = 2,298.78

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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.