Home / 2,450.34-3,378.78-2,214.23

Finding the Fourth Proportional to 2,450.34, 3,378.78 and 2,214.23

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Solution

The fourth proportional to 2,450.34, 3,378.78 and 2,214.23 is: 3,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.34 : 3,378.78 = 2,214.23 : x
  2. Step 2: Convert to fraction form
    2,450.34/3,378.78 = 2,214.23/x
  3. Step 3: Cross multiply
    2,450.34x = 3,378.78 × 2,214.23
  4. Step 4: Simplify right side
    2,450.34x = 7,481,379.15
  5. Step 5: Solve for x
    x = 7,481,379.15/2,450.34
  6. Step 6: Final answer
    x = 3,053.20

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.