Home / 2,267.94-3,128.86-1,310.21

Finding the Fourth Proportional to 2,267.94, 3,128.86 and 1,310.21

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Solution

The fourth proportional to 2,267.94, 3,128.86 and 1,310.21 is: 1,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.94 : 3,128.86 = 1,310.21 : x
  2. Step 2: Convert to fraction form
    2,267.94/3,128.86 = 1,310.21/x
  3. Step 3: Cross multiply
    2,267.94x = 3,128.86 × 1,310.21
  4. Step 4: Simplify right side
    2,267.94x = 4,099,478.99
  5. Step 5: Solve for x
    x = 4,099,478.99/2,267.94
  6. Step 6: Final answer
    x = 1,807.58

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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.