Home / 2,009.90-3,014.53-1,229.63

Finding the Fourth Proportional to 2,009.90, 3,014.53 and 1,229.63

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Solution

The fourth proportional to 2,009.90, 3,014.53 and 1,229.63 is: 1,844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.90 : 3,014.53 = 1,229.63 : x
  2. Step 2: Convert to fraction form
    2,009.90/3,014.53 = 1,229.63/x
  3. Step 3: Cross multiply
    2,009.90x = 3,014.53 × 1,229.63
  4. Step 4: Simplify right side
    2,009.90x = 3,706,738.38
  5. Step 5: Solve for x
    x = 3,706,738.38/2,009.90
  6. Step 6: Final answer
    x = 1,844.24

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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.