Home / 2,830.14-4,245.21-2,214.36

Finding the Fourth Proportional to 2,830.14, 4,245.21 and 2,214.36

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Solution

The fourth proportional to 2,830.14, 4,245.21 and 2,214.36 is: 3,321.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.14 : 4,245.21 = 2,214.36 : x
  2. Step 2: Convert to fraction form
    2,830.14/4,245.21 = 2,214.36/x
  3. Step 3: Cross multiply
    2,830.14x = 4,245.21 × 2,214.36
  4. Step 4: Simplify right side
    2,830.14x = 9,400,423.22
  5. Step 5: Solve for x
    x = 9,400,423.22/2,830.14
  6. Step 6: Final answer
    x = 3,321.54

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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.