Home / 2,527.21-3,789.05-1,120.86

Finding the Fourth Proportional to 2,527.21, 3,789.05 and 1,120.86

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Solution

The fourth proportional to 2,527.21, 3,789.05 and 1,120.86 is: 1,680.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,527.21 : 3,789.05 = 1,120.86 : x
  2. Step 2: Convert to fraction form
    2,527.21/3,789.05 = 1,120.86/x
  3. Step 3: Cross multiply
    2,527.21x = 3,789.05 × 1,120.86
  4. Step 4: Simplify right side
    2,527.21x = 4,246,988.98
  5. Step 5: Solve for x
    x = 4,246,988.98/2,527.21
  6. Step 6: Final answer
    x = 1,680.50

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.