Home / 2,849.24-3,929.49-1,854.15

Finding the Fourth Proportional to 2,849.24, 3,929.49 and 1,854.15

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Solution

The fourth proportional to 2,849.24, 3,929.49 and 1,854.15 is: 2,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.24 : 3,929.49 = 1,854.15 : x
  2. Step 2: Convert to fraction form
    2,849.24/3,929.49 = 1,854.15/x
  3. Step 3: Cross multiply
    2,849.24x = 3,929.49 × 1,854.15
  4. Step 4: Simplify right side
    2,849.24x = 7,285,863.88
  5. Step 5: Solve for x
    x = 7,285,863.88/2,849.24
  6. Step 6: Final answer
    x = 2,557.13

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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.