Home / 2,025.80-3,040.62-1,052.60

Finding the Fourth Proportional to 2,025.80, 3,040.62 and 1,052.60

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Solution

The fourth proportional to 2,025.80, 3,040.62 and 1,052.60 is: 1,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.80 : 3,040.62 = 1,052.60 : x
  2. Step 2: Convert to fraction form
    2,025.80/3,040.62 = 1,052.60/x
  3. Step 3: Cross multiply
    2,025.80x = 3,040.62 × 1,052.60
  4. Step 4: Simplify right side
    2,025.80x = 3,200,556.61
  5. Step 5: Solve for x
    x = 3,200,556.61/2,025.80
  6. Step 6: Final answer
    x = 1,579.90

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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.