Home / 2,304.88-3,180.80-1,257

Finding the Fourth Proportional to 2,304.88, 3,180.80 and 1,257

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Solution

The fourth proportional to 2,304.88, 3,180.80 and 1,257 is: 1,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.88 : 3,180.80 = 1,257 : x
  2. Step 2: Convert to fraction form
    2,304.88/3,180.80 = 1,257/x
  3. Step 3: Cross multiply
    2,304.88x = 3,180.80 × 1,257
  4. Step 4: Simplify right side
    2,304.88x = 3,998,265.60
  5. Step 5: Solve for x
    x = 3,998,265.60/2,304.88
  6. Step 6: Final answer
    x = 1,734.70

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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.