Home / 1,815.56-2,723.33-1,199.12

Finding the Fourth Proportional to 1,815.56, 2,723.33 and 1,199.12

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Solution

The fourth proportional to 1,815.56, 2,723.33 and 1,199.12 is: 1,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815.56 : 2,723.33 = 1,199.12 : x
  2. Step 2: Convert to fraction form
    1,815.56/2,723.33 = 1,199.12/x
  3. Step 3: Cross multiply
    1,815.56x = 2,723.33 × 1,199.12
  4. Step 4: Simplify right side
    1,815.56x = 3,265,599.47
  5. Step 5: Solve for x
    x = 3,265,599.47/1,815.56
  6. Step 6: Final answer
    x = 1,798.67

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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.