Home / 2,223.54-3,330.45-1,355.22

Finding the Fourth Proportional to 2,223.54, 3,330.45 and 1,355.22

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Solution

The fourth proportional to 2,223.54, 3,330.45 and 1,355.22 is: 2,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.54 : 3,330.45 = 1,355.22 : x
  2. Step 2: Convert to fraction form
    2,223.54/3,330.45 = 1,355.22/x
  3. Step 3: Cross multiply
    2,223.54x = 3,330.45 × 1,355.22
  4. Step 4: Simplify right side
    2,223.54x = 4,513,492.45
  5. Step 5: Solve for x
    x = 4,513,492.45/2,223.54
  6. Step 6: Final answer
    x = 2,029.87

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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.