Home / 2,689.16-3,709.50-1,694.07

Finding the Fourth Proportional to 2,689.16, 3,709.50 and 1,694.07

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Solution

The fourth proportional to 2,689.16, 3,709.50 and 1,694.07 is: 2,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689.16 : 3,709.50 = 1,694.07 : x
  2. Step 2: Convert to fraction form
    2,689.16/3,709.50 = 1,694.07/x
  3. Step 3: Cross multiply
    2,689.16x = 3,709.50 × 1,694.07
  4. Step 4: Simplify right side
    2,689.16x = 6,284,152.67
  5. Step 5: Solve for x
    x = 6,284,152.67/2,689.16
  6. Step 6: Final answer
    x = 2,336.85

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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.