Home / 3,775.99-5,668.08-2,785.70

Finding the Fourth Proportional to 3,775.99, 5,668.08 and 2,785.70

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Solution

The fourth proportional to 3,775.99, 5,668.08 and 2,785.70 is: 4,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.99 : 5,668.08 = 2,785.70 : x
  2. Step 2: Convert to fraction form
    3,775.99/5,668.08 = 2,785.70/x
  3. Step 3: Cross multiply
    3,775.99x = 5,668.08 × 2,785.70
  4. Step 4: Simplify right side
    3,775.99x = 15,789,542.12
  5. Step 5: Solve for x
    x = 15,789,542.12/3,775.99
  6. Step 6: Final answer
    x = 4,181.57

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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.