Home / 2,220.35-3,335.36-1,355.27

Finding the Fourth Proportional to 2,220.35, 3,335.36 and 1,355.27

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Solution

The fourth proportional to 2,220.35, 3,335.36 and 1,355.27 is: 2,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.35 : 3,335.36 = 1,355.27 : x
  2. Step 2: Convert to fraction form
    2,220.35/3,335.36 = 1,355.27/x
  3. Step 3: Cross multiply
    2,220.35x = 3,335.36 × 1,355.27
  4. Step 4: Simplify right side
    2,220.35x = 4,520,289.89
  5. Step 5: Solve for x
    x = 4,520,289.89/2,220.35
  6. Step 6: Final answer
    x = 2,035.85

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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.