Home / 3,824.83-5,278.67-2,146.69

Finding the Fourth Proportional to 3,824.83, 5,278.67 and 2,146.69

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Solution

The fourth proportional to 3,824.83, 5,278.67 and 2,146.69 is: 2,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.83 : 5,278.67 = 2,146.69 : x
  2. Step 2: Convert to fraction form
    3,824.83/5,278.67 = 2,146.69/x
  3. Step 3: Cross multiply
    3,824.83x = 5,278.67 × 2,146.69
  4. Step 4: Simplify right side
    3,824.83x = 11,331,668.10
  5. Step 5: Solve for x
    x = 11,331,668.10/3,824.83
  6. Step 6: Final answer
    x = 2,962.66

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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.