Home / 3,846.51-5,306.97-2,167.65

Finding the Fourth Proportional to 3,846.51, 5,306.97 and 2,167.65

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Solution

The fourth proportional to 3,846.51, 5,306.97 and 2,167.65 is: 2,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.51 : 5,306.97 = 2,167.65 : x
  2. Step 2: Convert to fraction form
    3,846.51/5,306.97 = 2,167.65/x
  3. Step 3: Cross multiply
    3,846.51x = 5,306.97 × 2,167.65
  4. Step 4: Simplify right side
    3,846.51x = 11,503,653.52
  5. Step 5: Solve for x
    x = 11,503,653.52/3,846.51
  6. Step 6: Final answer
    x = 2,990.67

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Half scale
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Double 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.