Home / 2,163.39-2,985.81-1,367.37

Finding the Fourth Proportional to 2,163.39, 2,985.81 and 1,367.37

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Solution

The fourth proportional to 2,163.39, 2,985.81 and 1,367.37 is: 1,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.39 : 2,985.81 = 1,367.37 : x
  2. Step 2: Convert to fraction form
    2,163.39/2,985.81 = 1,367.37/x
  3. Step 3: Cross multiply
    2,163.39x = 2,985.81 × 1,367.37
  4. Step 4: Simplify right side
    2,163.39x = 4,082,707.02
  5. Step 5: Solve for x
    x = 4,082,707.02/2,163.39
  6. Step 6: Final answer
    x = 1,887.18

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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.