Home / 3,260.14-4,890.21-1,180.42

Finding the Fourth Proportional to 3,260.14, 4,890.21 and 1,180.42

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Solution

The fourth proportional to 3,260.14, 4,890.21 and 1,180.42 is: 1,770.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.14 : 4,890.21 = 1,180.42 : x
  2. Step 2: Convert to fraction form
    3,260.14/4,890.21 = 1,180.42/x
  3. Step 3: Cross multiply
    3,260.14x = 4,890.21 × 1,180.42
  4. Step 4: Simplify right side
    3,260.14x = 5,772,501.69
  5. Step 5: Solve for x
    x = 5,772,501.69/3,260.14
  6. Step 6: Final answer
    x = 1,770.63

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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.