Home / 2,664.06-3,672.46-1,719.78

Finding the Fourth Proportional to 2,664.06, 3,672.46 and 1,719.78

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Solution

The fourth proportional to 2,664.06, 3,672.46 and 1,719.78 is: 2,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.06 : 3,672.46 = 1,719.78 : x
  2. Step 2: Convert to fraction form
    2,664.06/3,672.46 = 1,719.78/x
  3. Step 3: Cross multiply
    2,664.06x = 3,672.46 × 1,719.78
  4. Step 4: Simplify right side
    2,664.06x = 6,315,814.66
  5. Step 5: Solve for x
    x = 6,315,814.66/2,664.06
  6. Step 6: Final answer
    x = 2,370.75

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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.