Home / 1,992.23-2,750.20-1,246.67

Finding the Fourth Proportional to 1,992.23, 2,750.20 and 1,246.67

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Solution

The fourth proportional to 1,992.23, 2,750.20 and 1,246.67 is: 1,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992.23 : 2,750.20 = 1,246.67 : x
  2. Step 2: Convert to fraction form
    1,992.23/2,750.20 = 1,246.67/x
  3. Step 3: Cross multiply
    1,992.23x = 2,750.20 × 1,246.67
  4. Step 4: Simplify right side
    1,992.23x = 3,428,574.97
  5. Step 5: Solve for x
    x = 3,428,574.97/1,992.23
  6. Step 6: Final answer
    x = 1,720.98

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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.