Home / 2,379.51-3,283.47-1,331.37

Finding the Fourth Proportional to 2,379.51, 3,283.47 and 1,331.37

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Solution

The fourth proportional to 2,379.51, 3,283.47 and 1,331.37 is: 1,837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.51 : 3,283.47 = 1,331.37 : x
  2. Step 2: Convert to fraction form
    2,379.51/3,283.47 = 1,331.37/x
  3. Step 3: Cross multiply
    2,379.51x = 3,283.47 × 1,331.37
  4. Step 4: Simplify right side
    2,379.51x = 4,371,513.45
  5. Step 5: Solve for x
    x = 4,371,513.45/2,379.51
  6. Step 6: Final answer
    x = 1,837.15

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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.