Home / 1,891.48-2,836.24-850.59

Finding the Fourth Proportional to 1,891.48, 2,836.24 and 850.59

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Solution

The fourth proportional to 1,891.48, 2,836.24 and 850.59 is: 1,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.48 : 2,836.24 = 850.59 : x
  2. Step 2: Convert to fraction form
    1,891.48/2,836.24 = 850.59/x
  3. Step 3: Cross multiply
    1,891.48x = 2,836.24 × 850.59
  4. Step 4: Simplify right side
    1,891.48x = 2,412,477.38
  5. Step 5: Solve for x
    x = 2,412,477.38/1,891.48
  6. Step 6: Final answer
    x = 1,275.44

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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.