Home / 3,276.80-4,527.60-2,693.60

Finding the Fourth Proportional to 3,276.80, 4,527.60 and 2,693.60

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Solution

The fourth proportional to 3,276.80, 4,527.60 and 2,693.60 is: 3,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.80 : 4,527.60 = 2,693.60 : x
  2. Step 2: Convert to fraction form
    3,276.80/4,527.60 = 2,693.60/x
  3. Step 3: Cross multiply
    3,276.80x = 4,527.60 × 2,693.60
  4. Step 4: Simplify right side
    3,276.80x = 12,195,543.36
  5. Step 5: Solve for x
    x = 12,195,543.36/3,276.80
  6. Step 6: Final answer
    x = 3,721.78

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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.