Home / 2,079.11-2,866.42-1,723.69

Finding the Fourth Proportional to 2,079.11, 2,866.42 and 1,723.69

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Solution

The fourth proportional to 2,079.11, 2,866.42 and 1,723.69 is: 2,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.11 : 2,866.42 = 1,723.69 : x
  2. Step 2: Convert to fraction form
    2,079.11/2,866.42 = 1,723.69/x
  3. Step 3: Cross multiply
    2,079.11x = 2,866.42 × 1,723.69
  4. Step 4: Simplify right side
    2,079.11x = 4,940,810.87
  5. Step 5: Solve for x
    x = 4,940,810.87/2,079.11
  6. Step 6: Final answer
    x = 2,376.41

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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.