Home / 3,520.24-5,285.69-2,795.69

Finding the Fourth Proportional to 3,520.24, 5,285.69 and 2,795.69

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Solution

The fourth proportional to 3,520.24, 5,285.69 and 2,795.69 is: 4,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.24 : 5,285.69 = 2,795.69 : x
  2. Step 2: Convert to fraction form
    3,520.24/5,285.69 = 2,795.69/x
  3. Step 3: Cross multiply
    3,520.24x = 5,285.69 × 2,795.69
  4. Step 4: Simplify right side
    3,520.24x = 14,777,150.68
  5. Step 5: Solve for x
    x = 14,777,150.68/3,520.24
  6. Step 6: Final answer
    x = 4,197.77

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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.