Home / 2,148.33-3,237.13-1,766.87

Finding the Fourth Proportional to 2,148.33, 3,237.13 and 1,766.87

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Solution

The fourth proportional to 2,148.33, 3,237.13 and 1,766.87 is: 2,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.33 : 3,237.13 = 1,766.87 : x
  2. Step 2: Convert to fraction form
    2,148.33/3,237.13 = 1,766.87/x
  3. Step 3: Cross multiply
    2,148.33x = 3,237.13 × 1,766.87
  4. Step 4: Simplify right side
    2,148.33x = 5,719,579.05
  5. Step 5: Solve for x
    x = 5,719,579.05/2,148.33
  6. Step 6: Final answer
    x = 2,662.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.