Home / 3,206.98-4,423.62-2,211.76

Finding the Fourth Proportional to 3,206.98, 4,423.62 and 2,211.76

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Solution

The fourth proportional to 3,206.98, 4,423.62 and 2,211.76 is: 3,050.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.98 : 4,423.62 = 2,211.76 : x
  2. Step 2: Convert to fraction form
    3,206.98/4,423.62 = 2,211.76/x
  3. Step 3: Cross multiply
    3,206.98x = 4,423.62 × 2,211.76
  4. Step 4: Simplify right side
    3,206.98x = 9,783,985.77
  5. Step 5: Solve for x
    x = 9,783,985.77/3,206.98
  6. Step 6: Final answer
    x = 3,050.84

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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.