Home / 2,014.60-3,021.80-628.07

Finding the Fourth Proportional to 2,014.60, 3,021.80 and 628.07

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Solution

The fourth proportional to 2,014.60, 3,021.80 and 628.07 is: 942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.60 : 3,021.80 = 628.07 : x
  2. Step 2: Convert to fraction form
    2,014.60/3,021.80 = 628.07/x
  3. Step 3: Cross multiply
    2,014.60x = 3,021.80 × 628.07
  4. Step 4: Simplify right side
    2,014.60x = 1,897,901.93
  5. Step 5: Solve for x
    x = 1,897,901.93/2,014.60
  6. Step 6: Final answer
    x = 942.07

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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.