Home / 3,511.10-5,234.70-3,116.67

Finding the Fourth Proportional to 3,511.10, 5,234.70 and 3,116.67

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Solution

The fourth proportional to 3,511.10, 5,234.70 and 3,116.67 is: 4,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.10 : 5,234.70 = 3,116.67 : x
  2. Step 2: Convert to fraction form
    3,511.10/5,234.70 = 3,116.67/x
  3. Step 3: Cross multiply
    3,511.10x = 5,234.70 × 3,116.67
  4. Step 4: Simplify right side
    3,511.10x = 16,314,819.36
  5. Step 5: Solve for x
    x = 16,314,819.36/3,511.10
  6. Step 6: Final answer
    x = 4,646.64

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.