Home / 1,343.01-2,016.81-1,273.89

Finding the Fourth Proportional to 1,343.01, 2,016.81 and 1,273.89

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Solution

The fourth proportional to 1,343.01, 2,016.81 and 1,273.89 is: 1,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.01 : 2,016.81 = 1,273.89 : x
  2. Step 2: Convert to fraction form
    1,343.01/2,016.81 = 1,273.89/x
  3. Step 3: Cross multiply
    1,343.01x = 2,016.81 × 1,273.89
  4. Step 4: Simplify right side
    1,343.01x = 2,569,194.09
  5. Step 5: Solve for x
    x = 2,569,194.09/1,343.01
  6. Step 6: Final answer
    x = 1,913.01

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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.