Home / 3,280.55-4,527.52-2,021.34

Finding the Fourth Proportional to 3,280.55, 4,527.52 and 2,021.34

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Solution

The fourth proportional to 3,280.55, 4,527.52 and 2,021.34 is: 2,789.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.55 : 4,527.52 = 2,021.34 : x
  2. Step 2: Convert to fraction form
    3,280.55/4,527.52 = 2,021.34/x
  3. Step 3: Cross multiply
    3,280.55x = 4,527.52 × 2,021.34
  4. Step 4: Simplify right side
    3,280.55x = 9,151,652.22
  5. Step 5: Solve for x
    x = 9,151,652.22/3,280.55
  6. Step 6: Final answer
    x = 2,789.67

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Half scale
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Double scale
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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.