Home / 3,069.56-4,234.24-1,889.80

Finding the Fourth Proportional to 3,069.56, 4,234.24 and 1,889.80

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Solution

The fourth proportional to 3,069.56, 4,234.24 and 1,889.80 is: 2,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.56 : 4,234.24 = 1,889.80 : x
  2. Step 2: Convert to fraction form
    3,069.56/4,234.24 = 1,889.80/x
  3. Step 3: Cross multiply
    3,069.56x = 4,234.24 × 1,889.80
  4. Step 4: Simplify right side
    3,069.56x = 8,001,866.75
  5. Step 5: Solve for x
    x = 8,001,866.75/3,069.56
  6. Step 6: Final answer
    x = 2,606.84

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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.