Home / 2,181.87-3,273.35-948.96

Finding the Fourth Proportional to 2,181.87, 3,273.35 and 948.96

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Solution

The fourth proportional to 2,181.87, 3,273.35 and 948.96 is: 1,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.87 : 3,273.35 = 948.96 : x
  2. Step 2: Convert to fraction form
    2,181.87/3,273.35 = 948.96/x
  3. Step 3: Cross multiply
    2,181.87x = 3,273.35 × 948.96
  4. Step 4: Simplify right side
    2,181.87x = 3,106,273.47
  5. Step 5: Solve for x
    x = 3,106,273.47/2,181.87
  6. Step 6: Final answer
    x = 1,423.67

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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.