Home / 2,124.26-2,932.83-1,368.37

Finding the Fourth Proportional to 2,124.26, 2,932.83 and 1,368.37

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Solution

The fourth proportional to 2,124.26, 2,932.83 and 1,368.37 is: 1,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.26 : 2,932.83 = 1,368.37 : x
  2. Step 2: Convert to fraction form
    2,124.26/2,932.83 = 1,368.37/x
  3. Step 3: Cross multiply
    2,124.26x = 2,932.83 × 1,368.37
  4. Step 4: Simplify right side
    2,124.26x = 4,013,189.26
  5. Step 5: Solve for x
    x = 4,013,189.26/2,124.26
  6. Step 6: Final answer
    x = 1,889.22

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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.