Home / 3,514.24-4,849.43-1,920.77

Finding the Fourth Proportional to 3,514.24, 4,849.43 and 1,920.77

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Solution

The fourth proportional to 3,514.24, 4,849.43 and 1,920.77 is: 2,650.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.24 : 4,849.43 = 1,920.77 : x
  2. Step 2: Convert to fraction form
    3,514.24/4,849.43 = 1,920.77/x
  3. Step 3: Cross multiply
    3,514.24x = 4,849.43 × 1,920.77
  4. Step 4: Simplify right side
    3,514.24x = 9,314,639.66
  5. Step 5: Solve for x
    x = 9,314,639.66/3,514.24
  6. Step 6: Final answer
    x = 2,650.54

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1.5x scale

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.