Home / 2,276.67-3,415.85-890.96

Finding the Fourth Proportional to 2,276.67, 3,415.85 and 890.96

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Solution

The fourth proportional to 2,276.67, 3,415.85 and 890.96 is: 1,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.67 : 3,415.85 = 890.96 : x
  2. Step 2: Convert to fraction form
    2,276.67/3,415.85 = 890.96/x
  3. Step 3: Cross multiply
    2,276.67x = 3,415.85 × 890.96
  4. Step 4: Simplify right side
    2,276.67x = 3,043,364.18
  5. Step 5: Solve for x
    x = 3,043,364.18/2,276.67
  6. Step 6: Final answer
    x = 1,336.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.