Home / 2,818.43-3,889.68-1,699.37

Finding the Fourth Proportional to 2,818.43, 3,889.68 and 1,699.37

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Solution

The fourth proportional to 2,818.43, 3,889.68 and 1,699.37 is: 2,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.43 : 3,889.68 = 1,699.37 : x
  2. Step 2: Convert to fraction form
    2,818.43/3,889.68 = 1,699.37/x
  3. Step 3: Cross multiply
    2,818.43x = 3,889.68 × 1,699.37
  4. Step 4: Simplify right side
    2,818.43x = 6,610,005.50
  5. Step 5: Solve for x
    x = 6,610,005.50/2,818.43
  6. Step 6: Final answer
    x = 2,345.28

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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.