Home / 2,248.12-3,102.79-1,409.54

Finding the Fourth Proportional to 2,248.12, 3,102.79 and 1,409.54

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Solution

The fourth proportional to 2,248.12, 3,102.79 and 1,409.54 is: 1,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.12 : 3,102.79 = 1,409.54 : x
  2. Step 2: Convert to fraction form
    2,248.12/3,102.79 = 1,409.54/x
  3. Step 3: Cross multiply
    2,248.12x = 3,102.79 × 1,409.54
  4. Step 4: Simplify right side
    2,248.12x = 4,373,506.62
  5. Step 5: Solve for x
    x = 4,373,506.62/2,248.12
  6. Step 6: Final answer
    x = 1,945.41

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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.