Home / 2,446.88-3,376.77-1,399.28

Finding the Fourth Proportional to 2,446.88, 3,376.77 and 1,399.28

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Solution

The fourth proportional to 2,446.88, 3,376.77 and 1,399.28 is: 1,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.88 : 3,376.77 = 1,399.28 : x
  2. Step 2: Convert to fraction form
    2,446.88/3,376.77 = 1,399.28/x
  3. Step 3: Cross multiply
    2,446.88x = 3,376.77 × 1,399.28
  4. Step 4: Simplify right side
    2,446.88x = 4,725,046.73
  5. Step 5: Solve for x
    x = 4,725,046.73/2,446.88
  6. Step 6: Final answer
    x = 1,931.05

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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.