Home / 2,224.20-3,335.78-837.67

Finding the Fourth Proportional to 2,224.20, 3,335.78 and 837.67

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Solution

The fourth proportional to 2,224.20, 3,335.78 and 837.67 is: 1,256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.20 : 3,335.78 = 837.67 : x
  2. Step 2: Convert to fraction form
    2,224.20/3,335.78 = 837.67/x
  3. Step 3: Cross multiply
    2,224.20x = 3,335.78 × 837.67
  4. Step 4: Simplify right side
    2,224.20x = 2,794,278.64
  5. Step 5: Solve for x
    x = 2,794,278.64/2,224.20
  6. Step 6: Final answer
    x = 1,256.31

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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.