Home / 2,225.26-3,338.30-992.67

Finding the Fourth Proportional to 2,225.26, 3,338.30 and 992.67

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Solution

The fourth proportional to 2,225.26, 3,338.30 and 992.67 is: 1,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.26 : 3,338.30 = 992.67 : x
  2. Step 2: Convert to fraction form
    2,225.26/3,338.30 = 992.67/x
  3. Step 3: Cross multiply
    2,225.26x = 3,338.30 × 992.67
  4. Step 4: Simplify right side
    2,225.26x = 3,313,830.26
  5. Step 5: Solve for x
    x = 3,313,830.26/2,225.26
  6. Step 6: Final answer
    x = 1,489.19

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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.