Home / 2,214.49-3,055.58-1,375.40

Finding the Fourth Proportional to 2,214.49, 3,055.58 and 1,375.40

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Solution

The fourth proportional to 2,214.49, 3,055.58 and 1,375.40 is: 1,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.49 : 3,055.58 = 1,375.40 : x
  2. Step 2: Convert to fraction form
    2,214.49/3,055.58 = 1,375.40/x
  3. Step 3: Cross multiply
    2,214.49x = 3,055.58 × 1,375.40
  4. Step 4: Simplify right side
    2,214.49x = 4,202,644.73
  5. Step 5: Solve for x
    x = 4,202,644.73/2,214.49
  6. Step 6: Final answer
    x = 1,897.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.