Home / 3,197.76-4,412.64-1,955.52

Finding the Fourth Proportional to 3,197.76, 4,412.64 and 1,955.52

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Solution

The fourth proportional to 3,197.76, 4,412.64 and 1,955.52 is: 2,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.76 : 4,412.64 = 1,955.52 : x
  2. Step 2: Convert to fraction form
    3,197.76/4,412.64 = 1,955.52/x
  3. Step 3: Cross multiply
    3,197.76x = 4,412.64 × 1,955.52
  4. Step 4: Simplify right side
    3,197.76x = 8,629,005.77
  5. Step 5: Solve for x
    x = 8,629,005.77/3,197.76
  6. Step 6: Final answer
    x = 2,698.45

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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.