Home / 2,710.79-4,067.73-1,249.95

Finding the Fourth Proportional to 2,710.79, 4,067.73 and 1,249.95

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Solution

The fourth proportional to 2,710.79, 4,067.73 and 1,249.95 is: 1,875.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.79 : 4,067.73 = 1,249.95 : x
  2. Step 2: Convert to fraction form
    2,710.79/4,067.73 = 1,249.95/x
  3. Step 3: Cross multiply
    2,710.79x = 4,067.73 × 1,249.95
  4. Step 4: Simplify right side
    2,710.79x = 5,084,442.30
  5. Step 5: Solve for x
    x = 5,084,442.30/2,710.79
  6. Step 6: Final answer
    x = 1,875.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.