Home / 1,935.97-2,904.47-1,112.77

Finding the Fourth Proportional to 1,935.97, 2,904.47 and 1,112.77

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Solution

The fourth proportional to 1,935.97, 2,904.47 and 1,112.77 is: 1,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.97 : 2,904.47 = 1,112.77 : x
  2. Step 2: Convert to fraction form
    1,935.97/2,904.47 = 1,112.77/x
  3. Step 3: Cross multiply
    1,935.97x = 2,904.47 × 1,112.77
  4. Step 4: Simplify right side
    1,935.97x = 3,232,007.08
  5. Step 5: Solve for x
    x = 3,232,007.08/1,935.97
  6. Step 6: Final answer
    x = 1,669.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.