Home / 2,100.48-3,151.44-801.60

Finding the Fourth Proportional to 2,100.48, 3,151.44 and 801.60

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Solution

The fourth proportional to 2,100.48, 3,151.44 and 801.60 is: 1,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100.48 : 3,151.44 = 801.60 : x
  2. Step 2: Convert to fraction form
    2,100.48/3,151.44 = 801.60/x
  3. Step 3: Cross multiply
    2,100.48x = 3,151.44 × 801.60
  4. Step 4: Simplify right side
    2,100.48x = 2,526,194.30
  5. Step 5: Solve for x
    x = 2,526,194.30/2,100.48
  6. Step 6: Final answer
    x = 1,202.67

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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.