Home / 2,009.07-3,013.20-1,268.46

Finding the Fourth Proportional to 2,009.07, 3,013.20 and 1,268.46

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Solution

The fourth proportional to 2,009.07, 3,013.20 and 1,268.46 is: 1,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.07 : 3,013.20 = 1,268.46 : x
  2. Step 2: Convert to fraction form
    2,009.07/3,013.20 = 1,268.46/x
  3. Step 3: Cross multiply
    2,009.07x = 3,013.20 × 1,268.46
  4. Step 4: Simplify right side
    2,009.07x = 3,822,123.67
  5. Step 5: Solve for x
    x = 3,822,123.67/2,009.07
  6. Step 6: Final answer
    x = 1,902.43

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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.