Home / 2,760.60-4,131.30-2,530.20

Finding the Fourth Proportional to 2,760.60, 4,131.30 and 2,530.20

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Solution

The fourth proportional to 2,760.60, 4,131.30 and 2,530.20 is: 3,786.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.60 : 4,131.30 = 2,530.20 : x
  2. Step 2: Convert to fraction form
    2,760.60/4,131.30 = 2,530.20/x
  3. Step 3: Cross multiply
    2,760.60x = 4,131.30 × 2,530.20
  4. Step 4: Simplify right side
    2,760.60x = 10,453,015.26
  5. Step 5: Solve for x
    x = 10,453,015.26/2,760.60
  6. Step 6: Final answer
    x = 3,786.50

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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.