Home / 2,828.66-4,225.76-1,833.36

Finding the Fourth Proportional to 2,828.66, 4,225.76 and 1,833.36

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Solution

The fourth proportional to 2,828.66, 4,225.76 and 1,833.36 is: 2,738.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.66 : 4,225.76 = 1,833.36 : x
  2. Step 2: Convert to fraction form
    2,828.66/4,225.76 = 1,833.36/x
  3. Step 3: Cross multiply
    2,828.66x = 4,225.76 × 1,833.36
  4. Step 4: Simplify right side
    2,828.66x = 7,747,330.19
  5. Step 5: Solve for x
    x = 7,747,330.19/2,828.66
  6. Step 6: Final answer
    x = 2,738.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.