Home / 3,540.30-5,311.54-2,762.94

Finding the Fourth Proportional to 3,540.30, 5,311.54 and 2,762.94

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Solution

The fourth proportional to 3,540.30, 5,311.54 and 2,762.94 is: 4,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.30 : 5,311.54 = 2,762.94 : x
  2. Step 2: Convert to fraction form
    3,540.30/5,311.54 = 2,762.94/x
  3. Step 3: Cross multiply
    3,540.30x = 5,311.54 × 2,762.94
  4. Step 4: Simplify right side
    3,540.30x = 14,675,466.33
  5. Step 5: Solve for x
    x = 14,675,466.33/3,540.30
  6. Step 6: Final answer
    x = 4,145.26

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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.