Home / 3,800.05-5,246.26-2,896.69

Finding the Fourth Proportional to 3,800.05, 5,246.26 and 2,896.69

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Solution

The fourth proportional to 3,800.05, 5,246.26 and 2,896.69 is: 3,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.05 : 5,246.26 = 2,896.69 : x
  2. Step 2: Convert to fraction form
    3,800.05/5,246.26 = 2,896.69/x
  3. Step 3: Cross multiply
    3,800.05x = 5,246.26 × 2,896.69
  4. Step 4: Simplify right side
    3,800.05x = 15,196,774.40
  5. Step 5: Solve for x
    x = 15,196,774.40/3,800.05
  6. Step 6: Final answer
    x = 3,999.10

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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.