Home / 3,025.72-4,539.12-1,382.43

Finding the Fourth Proportional to 3,025.72, 4,539.12 and 1,382.43

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Solution

The fourth proportional to 3,025.72, 4,539.12 and 1,382.43 is: 2,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.72 : 4,539.12 = 1,382.43 : x
  2. Step 2: Convert to fraction form
    3,025.72/4,539.12 = 1,382.43/x
  3. Step 3: Cross multiply
    3,025.72x = 4,539.12 × 1,382.43
  4. Step 4: Simplify right side
    3,025.72x = 6,275,027.50
  5. Step 5: Solve for x
    x = 6,275,027.50/3,025.72
  6. Step 6: Final answer
    x = 2,073.89

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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.