Home / 3,268.88-4,903.35-1,320.63

Finding the Fourth Proportional to 3,268.88, 4,903.35 and 1,320.63

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Solution

The fourth proportional to 3,268.88, 4,903.35 and 1,320.63 is: 1,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.88 : 4,903.35 = 1,320.63 : x
  2. Step 2: Convert to fraction form
    3,268.88/4,903.35 = 1,320.63/x
  3. Step 3: Cross multiply
    3,268.88x = 4,903.35 × 1,320.63
  4. Step 4: Simplify right side
    3,268.88x = 6,475,511.11
  5. Step 5: Solve for x
    x = 6,475,511.11/3,268.88
  6. Step 6: Final answer
    x = 1,980.96

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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.