Home / 2,319.35-3,481.05-1,224.45

Finding the Fourth Proportional to 2,319.35, 3,481.05 and 1,224.45

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Solution

The fourth proportional to 2,319.35, 3,481.05 and 1,224.45 is: 1,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.35 : 3,481.05 = 1,224.45 : x
  2. Step 2: Convert to fraction form
    2,319.35/3,481.05 = 1,224.45/x
  3. Step 3: Cross multiply
    2,319.35x = 3,481.05 × 1,224.45
  4. Step 4: Simplify right side
    2,319.35x = 4,262,371.67
  5. Step 5: Solve for x
    x = 4,262,371.67/2,319.35
  6. Step 6: Final answer
    x = 1,837.75

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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.