Home / 2,379.22-3,283.70-2,274.10

Finding the Fourth Proportional to 2,379.22, 3,283.70 and 2,274.10

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Solution

The fourth proportional to 2,379.22, 3,283.70 and 2,274.10 is: 3,138.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.22 : 3,283.70 = 2,274.10 : x
  2. Step 2: Convert to fraction form
    2,379.22/3,283.70 = 2,274.10/x
  3. Step 3: Cross multiply
    2,379.22x = 3,283.70 × 2,274.10
  4. Step 4: Simplify right side
    2,379.22x = 7,467,455.83
  5. Step 5: Solve for x
    x = 7,467,455.83/2,379.22
  6. Step 6: Final answer
    x = 3,138.62

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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.