Home / 3,276.58-4,914.84-1,328.32

Finding the Fourth Proportional to 3,276.58, 4,914.84 and 1,328.32

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Solution

The fourth proportional to 3,276.58, 4,914.84 and 1,328.32 is: 1,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.58 : 4,914.84 = 1,328.32 : x
  2. Step 2: Convert to fraction form
    3,276.58/4,914.84 = 1,328.32/x
  3. Step 3: Cross multiply
    3,276.58x = 4,914.84 × 1,328.32
  4. Step 4: Simplify right side
    3,276.58x = 6,528,480.27
  5. Step 5: Solve for x
    x = 6,528,480.27/3,276.58
  6. Step 6: Final answer
    x = 1,992.47

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1.5x scale

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.