Home / 2,253.63-3,110.31-1,309.44

Finding the Fourth Proportional to 2,253.63, 3,110.31 and 1,309.44

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Solution

The fourth proportional to 2,253.63, 3,110.31 and 1,309.44 is: 1,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.63 : 3,110.31 = 1,309.44 : x
  2. Step 2: Convert to fraction form
    2,253.63/3,110.31 = 1,309.44/x
  3. Step 3: Cross multiply
    2,253.63x = 3,110.31 × 1,309.44
  4. Step 4: Simplify right side
    2,253.63x = 4,072,764.33
  5. Step 5: Solve for x
    x = 4,072,764.33/2,253.63
  6. Step 6: Final answer
    x = 1,807.20

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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.