Home / 3,284.31-4,927.84-1,970.60

Finding the Fourth Proportional to 3,284.31, 4,927.84 and 1,970.60

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Solution

The fourth proportional to 3,284.31, 4,927.84 and 1,970.60 is: 2,956.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.31 : 4,927.84 = 1,970.60 : x
  2. Step 2: Convert to fraction form
    3,284.31/4,927.84 = 1,970.60/x
  3. Step 3: Cross multiply
    3,284.31x = 4,927.84 × 1,970.60
  4. Step 4: Simplify right side
    3,284.31x = 9,710,771.94
  5. Step 5: Solve for x
    x = 9,710,771.94/3,284.31
  6. Step 6: Final answer
    x = 2,956.71

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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.