Home / 1,992.51-2,986.68-950.70

Finding the Fourth Proportional to 1,992.51, 2,986.68 and 950.70

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Solution

The fourth proportional to 1,992.51, 2,986.68 and 950.70 is: 1,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992.51 : 2,986.68 = 950.70 : x
  2. Step 2: Convert to fraction form
    1,992.51/2,986.68 = 950.70/x
  3. Step 3: Cross multiply
    1,992.51x = 2,986.68 × 950.70
  4. Step 4: Simplify right side
    1,992.51x = 2,839,436.68
  5. Step 5: Solve for x
    x = 2,839,436.68/1,992.51
  6. Step 6: Final answer
    x = 1,425.06

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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.