Home / 3,170.10-4,370.58-2,286.12

Finding the Fourth Proportional to 3,170.10, 4,370.58 and 2,286.12

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Solution

The fourth proportional to 3,170.10, 4,370.58 and 2,286.12 is: 3,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.10 : 4,370.58 = 2,286.12 : x
  2. Step 2: Convert to fraction form
    3,170.10/4,370.58 = 2,286.12/x
  3. Step 3: Cross multiply
    3,170.10x = 4,370.58 × 2,286.12
  4. Step 4: Simplify right side
    3,170.10x = 9,991,670.35
  5. Step 5: Solve for x
    x = 9,991,670.35/3,170.10
  6. Step 6: Final answer
    x = 3,151.85

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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.