Home / 2,163.29-3,246.14-1,646.51

Finding the Fourth Proportional to 2,163.29, 3,246.14 and 1,646.51

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Solution

The fourth proportional to 2,163.29, 3,246.14 and 1,646.51 is: 2,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.29 : 3,246.14 = 1,646.51 : x
  2. Step 2: Convert to fraction form
    2,163.29/3,246.14 = 1,646.51/x
  3. Step 3: Cross multiply
    2,163.29x = 3,246.14 × 1,646.51
  4. Step 4: Simplify right side
    2,163.29x = 5,344,814.20
  5. Step 5: Solve for x
    x = 5,344,814.20/2,163.29
  6. Step 6: Final answer
    x = 2,470.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.