Home / 3,867.36-5,341.62-3,349.80

Finding the Fourth Proportional to 3,867.36, 5,341.62 and 3,349.80

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Solution

The fourth proportional to 3,867.36, 5,341.62 and 3,349.80 is: 4,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.36 : 5,341.62 = 3,349.80 : x
  2. Step 2: Convert to fraction form
    3,867.36/5,341.62 = 3,349.80/x
  3. Step 3: Cross multiply
    3,867.36x = 5,341.62 × 3,349.80
  4. Step 4: Simplify right side
    3,867.36x = 17,893,358.68
  5. Step 5: Solve for x
    x = 17,893,358.68/3,867.36
  6. Step 6: Final answer
    x = 4,626.76

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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.