Home / 1,630.58-2,442.62-1,425.38

Finding the Fourth Proportional to 1,630.58, 2,442.62 and 1,425.38

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Solution

The fourth proportional to 1,630.58, 2,442.62 and 1,425.38 is: 2,135.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.58 : 2,442.62 = 1,425.38 : x
  2. Step 2: Convert to fraction form
    1,630.58/2,442.62 = 1,425.38/x
  3. Step 3: Cross multiply
    1,630.58x = 2,442.62 × 1,425.38
  4. Step 4: Simplify right side
    1,630.58x = 3,481,661.70
  5. Step 5: Solve for x
    x = 3,481,661.70/1,630.58
  6. Step 6: Final answer
    x = 2,135.23

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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.