Home / 2,220.94-3,329.52-1,355.86

Finding the Fourth Proportional to 2,220.94, 3,329.52 and 1,355.86

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Solution

The fourth proportional to 2,220.94, 3,329.52 and 1,355.86 is: 2,032.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.94 : 3,329.52 = 1,355.86 : x
  2. Step 2: Convert to fraction form
    2,220.94/3,329.52 = 1,355.86/x
  3. Step 3: Cross multiply
    2,220.94x = 3,329.52 × 1,355.86
  4. Step 4: Simplify right side
    2,220.94x = 4,514,362.99
  5. Step 5: Solve for x
    x = 4,514,362.99/2,220.94
  6. Step 6: Final answer
    x = 2,032.64

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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.