Home / 3,310.80-4,566.24-2,911.60

Finding the Fourth Proportional to 3,310.80, 4,566.24 and 2,911.60

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Solution

The fourth proportional to 3,310.80, 4,566.24 and 2,911.60 is: 4,015.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.80 : 4,566.24 = 2,911.60 : x
  2. Step 2: Convert to fraction form
    3,310.80/4,566.24 = 2,911.60/x
  3. Step 3: Cross multiply
    3,310.80x = 4,566.24 × 2,911.60
  4. Step 4: Simplify right side
    3,310.80x = 13,295,064.38
  5. Step 5: Solve for x
    x = 13,295,064.38/3,310.80
  6. Step 6: Final answer
    x = 4,015.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.