Home / 2,717.91-4,073.58-1,891.71

Finding the Fourth Proportional to 2,717.91, 4,073.58 and 1,891.71

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Solution

The fourth proportional to 2,717.91, 4,073.58 and 1,891.71 is: 2,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.91 : 4,073.58 = 1,891.71 : x
  2. Step 2: Convert to fraction form
    2,717.91/4,073.58 = 1,891.71/x
  3. Step 3: Cross multiply
    2,717.91x = 4,073.58 × 1,891.71
  4. Step 4: Simplify right side
    2,717.91x = 7,706,032.02
  5. Step 5: Solve for x
    x = 7,706,032.02/2,717.91
  6. Step 6: Final answer
    x = 2,835.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.