Home / 2,956.23-4,078.56-1,696.41

Finding the Fourth Proportional to 2,956.23, 4,078.56 and 1,696.41

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Solution

The fourth proportional to 2,956.23, 4,078.56 and 1,696.41 is: 2,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.23 : 4,078.56 = 1,696.41 : x
  2. Step 2: Convert to fraction form
    2,956.23/4,078.56 = 1,696.41/x
  3. Step 3: Cross multiply
    2,956.23x = 4,078.56 × 1,696.41
  4. Step 4: Simplify right side
    2,956.23x = 6,918,909.97
  5. Step 5: Solve for x
    x = 6,918,909.97/2,956.23
  6. Step 6: Final answer
    x = 2,340.45

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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.