Home / 2,467.88-3,405.64-1,348.78

Finding the Fourth Proportional to 2,467.88, 3,405.64 and 1,348.78

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Solution

The fourth proportional to 2,467.88, 3,405.64 and 1,348.78 is: 1,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,467.88 : 3,405.64 = 1,348.78 : x
  2. Step 2: Convert to fraction form
    2,467.88/3,405.64 = 1,348.78/x
  3. Step 3: Cross multiply
    2,467.88x = 3,405.64 × 1,348.78
  4. Step 4: Simplify right side
    2,467.88x = 4,593,459.12
  5. Step 5: Solve for x
    x = 4,593,459.12/2,467.88
  6. Step 6: Final answer
    x = 1,861.30

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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.