Home / 3,276.09-4,520.93-1,878.75

Finding the Fourth Proportional to 3,276.09, 4,520.93 and 1,878.75

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Solution

The fourth proportional to 3,276.09, 4,520.93 and 1,878.75 is: 2,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.09 : 4,520.93 = 1,878.75 : x
  2. Step 2: Convert to fraction form
    3,276.09/4,520.93 = 1,878.75/x
  3. Step 3: Cross multiply
    3,276.09x = 4,520.93 × 1,878.75
  4. Step 4: Simplify right side
    3,276.09x = 8,493,687.84
  5. Step 5: Solve for x
    x = 8,493,687.84/3,276.09
  6. Step 6: Final answer
    x = 2,592.63

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1.5x scale

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.