Home / 2,714.73-3,746.31-1,535.79

Finding the Fourth Proportional to 2,714.73, 3,746.31 and 1,535.79

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Solution

The fourth proportional to 2,714.73, 3,746.31 and 1,535.79 is: 2,119.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714.73 : 3,746.31 = 1,535.79 : x
  2. Step 2: Convert to fraction form
    2,714.73/3,746.31 = 1,535.79/x
  3. Step 3: Cross multiply
    2,714.73x = 3,746.31 × 1,535.79
  4. Step 4: Simplify right side
    2,714.73x = 5,753,545.43
  5. Step 5: Solve for x
    x = 5,753,545.43/2,714.73
  6. Step 6: Final answer
    x = 2,119.38

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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.