Home / 2,939.47-4,055.84-1,696.75

Finding the Fourth Proportional to 2,939.47, 4,055.84 and 1,696.75

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Solution

The fourth proportional to 2,939.47, 4,055.84 and 1,696.75 is: 2,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.47 : 4,055.84 = 1,696.75 : x
  2. Step 2: Convert to fraction form
    2,939.47/4,055.84 = 1,696.75/x
  3. Step 3: Cross multiply
    2,939.47x = 4,055.84 × 1,696.75
  4. Step 4: Simplify right side
    2,939.47x = 6,881,738.04
  5. Step 5: Solve for x
    x = 6,881,738.04/2,939.47
  6. Step 6: Final answer
    x = 2,341.15

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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.