Home / 3,016.76-4,171.20-2,647.76

Finding the Fourth Proportional to 3,016.76, 4,171.20 and 2,647.76

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Solution

The fourth proportional to 3,016.76, 4,171.20 and 2,647.76 is: 3,660.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.76 : 4,171.20 = 2,647.76 : x
  2. Step 2: Convert to fraction form
    3,016.76/4,171.20 = 2,647.76/x
  3. Step 3: Cross multiply
    3,016.76x = 4,171.20 × 2,647.76
  4. Step 4: Simplify right side
    3,016.76x = 11,044,336.51
  5. Step 5: Solve for x
    x = 11,044,336.51/3,016.76
  6. Step 6: Final answer
    x = 3,660.99

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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.