Home / 3,057.68-4,219.69-1,798.50

Finding the Fourth Proportional to 3,057.68, 4,219.69 and 1,798.50

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Solution

The fourth proportional to 3,057.68, 4,219.69 and 1,798.50 is: 2,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.68 : 4,219.69 = 1,798.50 : x
  2. Step 2: Convert to fraction form
    3,057.68/4,219.69 = 1,798.50/x
  3. Step 3: Cross multiply
    3,057.68x = 4,219.69 × 1,798.50
  4. Step 4: Simplify right side
    3,057.68x = 7,589,112.47
  5. Step 5: Solve for x
    x = 7,589,112.47/3,057.68
  6. Step 6: Final answer
    x = 2,481.98

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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.