Home / 3,455.99-5,179.65-2,722.67

Finding the Fourth Proportional to 3,455.99, 5,179.65 and 2,722.67

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Solution

The fourth proportional to 3,455.99, 5,179.65 and 2,722.67 is: 4,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.99 : 5,179.65 = 2,722.67 : x
  2. Step 2: Convert to fraction form
    3,455.99/5,179.65 = 2,722.67/x
  3. Step 3: Cross multiply
    3,455.99x = 5,179.65 × 2,722.67
  4. Step 4: Simplify right side
    3,455.99x = 14,102,477.67
  5. Step 5: Solve for x
    x = 14,102,477.67/3,455.99
  6. Step 6: Final answer
    x = 4,080.59

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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.