Home / 2,204.40-3,285.13-2,137.66

Finding the Fourth Proportional to 2,204.40, 3,285.13 and 2,137.66

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Solution

The fourth proportional to 2,204.40, 3,285.13 and 2,137.66 is: 3,185.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.40 : 3,285.13 = 2,137.66 : x
  2. Step 2: Convert to fraction form
    2,204.40/3,285.13 = 2,137.66/x
  3. Step 3: Cross multiply
    2,204.40x = 3,285.13 × 2,137.66
  4. Step 4: Simplify right side
    2,204.40x = 7,022,491.00
  5. Step 5: Solve for x
    x = 7,022,491.00/2,204.40
  6. Step 6: Final answer
    x = 3,185.67

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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.