Home / 2,301.25-3,175.73-1,369.75

Finding the Fourth Proportional to 2,301.25, 3,175.73 and 1,369.75

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Solution

The fourth proportional to 2,301.25, 3,175.73 and 1,369.75 is: 1,890.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.25 : 3,175.73 = 1,369.75 : x
  2. Step 2: Convert to fraction form
    2,301.25/3,175.73 = 1,369.75/x
  3. Step 3: Cross multiply
    2,301.25x = 3,175.73 × 1,369.75
  4. Step 4: Simplify right side
    2,301.25x = 4,349,956.17
  5. Step 5: Solve for x
    x = 4,349,956.17/2,301.25
  6. Step 6: Final answer
    x = 1,890.26

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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.