Home / 3,280.76-4,527.26-1,954.60

Finding the Fourth Proportional to 3,280.76, 4,527.26 and 1,954.60

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Solution

The fourth proportional to 3,280.76, 4,527.26 and 1,954.60 is: 2,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.76 : 4,527.26 = 1,954.60 : x
  2. Step 2: Convert to fraction form
    3,280.76/4,527.26 = 1,954.60/x
  3. Step 3: Cross multiply
    3,280.76x = 4,527.26 × 1,954.60
  4. Step 4: Simplify right side
    3,280.76x = 8,848,982.40
  5. Step 5: Solve for x
    x = 8,848,982.40/3,280.76
  6. Step 6: Final answer
    x = 2,697.24

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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.