Home / 1,960.32-2,708.16-1,791.36

Finding the Fourth Proportional to 1,960.32, 2,708.16 and 1,791.36

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Solution

The fourth proportional to 1,960.32, 2,708.16 and 1,791.36 is: 2,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.32 : 2,708.16 = 1,791.36 : x
  2. Step 2: Convert to fraction form
    1,960.32/2,708.16 = 1,791.36/x
  3. Step 3: Cross multiply
    1,960.32x = 2,708.16 × 1,791.36
  4. Step 4: Simplify right side
    1,960.32x = 4,851,289.50
  5. Step 5: Solve for x
    x = 4,851,289.50/1,960.32
  6. Step 6: Final answer
    x = 2,474.74

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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.