Home / 2,783.47-3,841.26-1,664.51

Finding the Fourth Proportional to 2,783.47, 3,841.26 and 1,664.51

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Solution

The fourth proportional to 2,783.47, 3,841.26 and 1,664.51 is: 2,297.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.47 : 3,841.26 = 1,664.51 : x
  2. Step 2: Convert to fraction form
    2,783.47/3,841.26 = 1,664.51/x
  3. Step 3: Cross multiply
    2,783.47x = 3,841.26 × 1,664.51
  4. Step 4: Simplify right side
    2,783.47x = 6,393,824.27
  5. Step 5: Solve for x
    x = 6,393,824.27/2,783.47
  6. Step 6: Final answer
    x = 2,297.07

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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.