Home / 2,630.91-3,946.37-1,169.67

Finding the Fourth Proportional to 2,630.91, 3,946.37 and 1,169.67

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Solution

The fourth proportional to 2,630.91, 3,946.37 and 1,169.67 is: 1,754.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.91 : 3,946.37 = 1,169.67 : x
  2. Step 2: Convert to fraction form
    2,630.91/3,946.37 = 1,169.67/x
  3. Step 3: Cross multiply
    2,630.91x = 3,946.37 × 1,169.67
  4. Step 4: Simplify right side
    2,630.91x = 4,615,944.75
  5. Step 5: Solve for x
    x = 4,615,944.75/2,630.91
  6. Step 6: Final answer
    x = 1,754.51

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Double scale
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Similar ratio
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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.