Home / 2,927.39-4,039.80-2,043.71

Finding the Fourth Proportional to 2,927.39, 4,039.80 and 2,043.71

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Solution

The fourth proportional to 2,927.39, 4,039.80 and 2,043.71 is: 2,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.39 : 4,039.80 = 2,043.71 : x
  2. Step 2: Convert to fraction form
    2,927.39/4,039.80 = 2,043.71/x
  3. Step 3: Cross multiply
    2,927.39x = 4,039.80 × 2,043.71
  4. Step 4: Simplify right side
    2,927.39x = 8,256,161.33
  5. Step 5: Solve for x
    x = 8,256,161.33/2,927.39
  6. Step 6: Final answer
    x = 2,820.31

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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.