Home / 2,102.44-2,901.75-1,394.29

Finding the Fourth Proportional to 2,102.44, 2,901.75 and 1,394.29

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Solution

The fourth proportional to 2,102.44, 2,901.75 and 1,394.29 is: 1,924.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.44 : 2,901.75 = 1,394.29 : x
  2. Step 2: Convert to fraction form
    2,102.44/2,901.75 = 1,394.29/x
  3. Step 3: Cross multiply
    2,102.44x = 2,901.75 × 1,394.29
  4. Step 4: Simplify right side
    2,102.44x = 4,045,881.01
  5. Step 5: Solve for x
    x = 4,045,881.01/2,102.44
  6. Step 6: Final answer
    x = 1,924.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.