Home / 2,223.49-3,338.80-1,445.38

Finding the Fourth Proportional to 2,223.49, 3,338.80 and 1,445.38

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Solution

The fourth proportional to 2,223.49, 3,338.80 and 1,445.38 is: 2,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.49 : 3,338.80 = 1,445.38 : x
  2. Step 2: Convert to fraction form
    2,223.49/3,338.80 = 1,445.38/x
  3. Step 3: Cross multiply
    2,223.49x = 3,338.80 × 1,445.38
  4. Step 4: Simplify right side
    2,223.49x = 4,825,834.74
  5. Step 5: Solve for x
    x = 4,825,834.74/2,223.49
  6. Step 6: Final answer
    x = 2,170.39

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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.