Home / 3,021.67-4,530.61-1,266.20

Finding the Fourth Proportional to 3,021.67, 4,530.61 and 1,266.20

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Solution

The fourth proportional to 3,021.67, 4,530.61 and 1,266.20 is: 1,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.67 : 4,530.61 = 1,266.20 : x
  2. Step 2: Convert to fraction form
    3,021.67/4,530.61 = 1,266.20/x
  3. Step 3: Cross multiply
    3,021.67x = 4,530.61 × 1,266.20
  4. Step 4: Simplify right side
    3,021.67x = 5,736,629.40
  5. Step 5: Solve for x
    x = 5,736,629.40/3,021.67
  6. Step 6: Final answer
    x = 1,898.50

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Half scale
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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.