Home / 3,460.10-4,771.22-2,279.12

Finding the Fourth Proportional to 3,460.10, 4,771.22 and 2,279.12

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Solution

The fourth proportional to 3,460.10, 4,771.22 and 2,279.12 is: 3,142.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.10 : 4,771.22 = 2,279.12 : x
  2. Step 2: Convert to fraction form
    3,460.10/4,771.22 = 2,279.12/x
  3. Step 3: Cross multiply
    3,460.10x = 4,771.22 × 2,279.12
  4. Step 4: Simplify right side
    3,460.10x = 10,874,147.67
  5. Step 5: Solve for x
    x = 10,874,147.67/3,460.10
  6. Step 6: Final answer
    x = 3,142.73

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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.