Home / 2,710.49-4,067.58-1,249.65

Finding the Fourth Proportional to 2,710.49, 4,067.58 and 1,249.65

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Solution

The fourth proportional to 2,710.49, 4,067.58 and 1,249.65 is: 1,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.49 : 4,067.58 = 1,249.65 : x
  2. Step 2: Convert to fraction form
    2,710.49/4,067.58 = 1,249.65/x
  3. Step 3: Cross multiply
    2,710.49x = 4,067.58 × 1,249.65
  4. Step 4: Simplify right side
    2,710.49x = 5,083,051.35
  5. Step 5: Solve for x
    x = 5,083,051.35/2,710.49
  6. Step 6: Final answer
    x = 1,875.33

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1.5x scale

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.