Home / 3,367.05-4,645.80-2,187.69

Finding the Fourth Proportional to 3,367.05, 4,645.80 and 2,187.69

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Solution

The fourth proportional to 3,367.05, 4,645.80 and 2,187.69 is: 3,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.05 : 4,645.80 = 2,187.69 : x
  2. Step 2: Convert to fraction form
    3,367.05/4,645.80 = 2,187.69/x
  3. Step 3: Cross multiply
    3,367.05x = 4,645.80 × 2,187.69
  4. Step 4: Simplify right side
    3,367.05x = 10,163,570.20
  5. Step 5: Solve for x
    x = 10,163,570.20/3,367.05
  6. Step 6: Final answer
    x = 3,018.54

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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.