Home / 2,850.99-3,935.55-2,064.88

Finding the Fourth Proportional to 2,850.99, 3,935.55 and 2,064.88

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Solution

The fourth proportional to 2,850.99, 3,935.55 and 2,064.88 is: 2,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.99 : 3,935.55 = 2,064.88 : x
  2. Step 2: Convert to fraction form
    2,850.99/3,935.55 = 2,064.88/x
  3. Step 3: Cross multiply
    2,850.99x = 3,935.55 × 2,064.88
  4. Step 4: Simplify right side
    2,850.99x = 8,126,438.48
  5. Step 5: Solve for x
    x = 8,126,438.48/2,850.99
  6. Step 6: Final answer
    x = 2,850.39

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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.