Home / 2,768.30-4,152.45-1,674.80

Finding the Fourth Proportional to 2,768.30, 4,152.45 and 1,674.80

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Solution

The fourth proportional to 2,768.30, 4,152.45 and 1,674.80 is: 2,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.30 : 4,152.45 = 1,674.80 : x
  2. Step 2: Convert to fraction form
    2,768.30/4,152.45 = 1,674.80/x
  3. Step 3: Cross multiply
    2,768.30x = 4,152.45 × 1,674.80
  4. Step 4: Simplify right side
    2,768.30x = 6,954,523.26
  5. Step 5: Solve for x
    x = 6,954,523.26/2,768.30
  6. Step 6: Final answer
    x = 2,512.20

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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.