Home / 2,760.29-3,809.79-1,698.96

Finding the Fourth Proportional to 2,760.29, 3,809.79 and 1,698.96

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Solution

The fourth proportional to 2,760.29, 3,809.79 and 1,698.96 is: 2,344.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.29 : 3,809.79 = 1,698.96 : x
  2. Step 2: Convert to fraction form
    2,760.29/3,809.79 = 1,698.96/x
  3. Step 3: Cross multiply
    2,760.29x = 3,809.79 × 1,698.96
  4. Step 4: Simplify right side
    2,760.29x = 6,472,680.82
  5. Step 5: Solve for x
    x = 6,472,680.82/2,760.29
  6. Step 6: Final answer
    x = 2,344.93

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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.