Home / 3,059.44-4,221.68-1,732.80

Finding the Fourth Proportional to 3,059.44, 4,221.68 and 1,732.80

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Solution

The fourth proportional to 3,059.44, 4,221.68 and 1,732.80 is: 2,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.44 : 4,221.68 = 1,732.80 : x
  2. Step 2: Convert to fraction form
    3,059.44/4,221.68 = 1,732.80/x
  3. Step 3: Cross multiply
    3,059.44x = 4,221.68 × 1,732.80
  4. Step 4: Simplify right side
    3,059.44x = 7,315,327.10
  5. Step 5: Solve for x
    x = 7,315,327.10/3,059.44
  6. Step 6: Final answer
    x = 2,391.07

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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.