Home / 1,811.68-2,717.04-1,792

Finding the Fourth Proportional to 1,811.68, 2,717.04 and 1,792

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Solution

The fourth proportional to 1,811.68, 2,717.04 and 1,792 is: 2,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.68 : 2,717.04 = 1,792 : x
  2. Step 2: Convert to fraction form
    1,811.68/2,717.04 = 1,792/x
  3. Step 3: Cross multiply
    1,811.68x = 2,717.04 × 1,792
  4. Step 4: Simplify right side
    1,811.68x = 4,868,935.68
  5. Step 5: Solve for x
    x = 4,868,935.68/1,811.68
  6. Step 6: Final answer
    x = 2,687.53

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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.