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Finding the Fourth Proportional to 2,046.66, 2,825.10 and 1,260.78

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Solution

The fourth proportional to 2,046.66, 2,825.10 and 1,260.78 is: 1,740.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.66 : 2,825.10 = 1,260.78 : x
  2. Step 2: Convert to fraction form
    2,046.66/2,825.10 = 1,260.78/x
  3. Step 3: Cross multiply
    2,046.66x = 2,825.10 × 1,260.78
  4. Step 4: Simplify right side
    2,046.66x = 3,561,829.58
  5. Step 5: Solve for x
    x = 3,561,829.58/2,046.66
  6. Step 6: Final answer
    x = 1,740.31

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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.