Home / 3,025.40-4,540.35-1,563.80

Finding the Fourth Proportional to 3,025.40, 4,540.35 and 1,563.80

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Solution

The fourth proportional to 3,025.40, 4,540.35 and 1,563.80 is: 2,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.40 : 4,540.35 = 1,563.80 : x
  2. Step 2: Convert to fraction form
    3,025.40/4,540.35 = 1,563.80/x
  3. Step 3: Cross multiply
    3,025.40x = 4,540.35 × 1,563.80
  4. Step 4: Simplify right side
    3,025.40x = 7,100,199.33
  5. Step 5: Solve for x
    x = 7,100,199.33/3,025.40
  6. Step 6: Final answer
    x = 2,346.86

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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.