Home / 2,028.75-3,043.58-623.31

Finding the Fourth Proportional to 2,028.75, 3,043.58 and 623.31

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Solution

The fourth proportional to 2,028.75, 3,043.58 and 623.31 is: 935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.75 : 3,043.58 = 623.31 : x
  2. Step 2: Convert to fraction form
    2,028.75/3,043.58 = 623.31/x
  3. Step 3: Cross multiply
    2,028.75x = 3,043.58 × 623.31
  4. Step 4: Simplify right side
    2,028.75x = 1,897,090.73
  5. Step 5: Solve for x
    x = 1,897,090.73/2,028.75
  6. Step 6: Final answer
    x = 935.10

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1.5x scale

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.