Home / 2,351.46-3,243-1,853.31

Finding the Fourth Proportional to 2,351.46, 3,243 and 1,853.31

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Solution

The fourth proportional to 2,351.46, 3,243 and 1,853.31 is: 2,555.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.46 : 3,243 = 1,853.31 : x
  2. Step 2: Convert to fraction form
    2,351.46/3,243 = 1,853.31/x
  3. Step 3: Cross multiply
    2,351.46x = 3,243 × 1,853.31
  4. Step 4: Simplify right side
    2,351.46x = 6,010,284.33
  5. Step 5: Solve for x
    x = 6,010,284.33/2,351.46
  6. Step 6: Final answer
    x = 2,555.98

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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.