Home / 1,412.45-2,114.33-1,273.02

Finding the Fourth Proportional to 1,412.45, 2,114.33 and 1,273.02

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Solution

The fourth proportional to 1,412.45, 2,114.33 and 1,273.02 is: 1,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412.45 : 2,114.33 = 1,273.02 : x
  2. Step 2: Convert to fraction form
    1,412.45/2,114.33 = 1,273.02/x
  3. Step 3: Cross multiply
    1,412.45x = 2,114.33 × 1,273.02
  4. Step 4: Simplify right side
    1,412.45x = 2,691,578.01
  5. Step 5: Solve for x
    x = 2,691,578.01/1,412.45
  6. Step 6: Final answer
    x = 1,905.62

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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.