Home / 1,792.05-2,688.76-1,012.93

Finding the Fourth Proportional to 1,792.05, 2,688.76 and 1,012.93

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Solution

The fourth proportional to 1,792.05, 2,688.76 and 1,012.93 is: 1,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792.05 : 2,688.76 = 1,012.93 : x
  2. Step 2: Convert to fraction form
    1,792.05/2,688.76 = 1,012.93/x
  3. Step 3: Cross multiply
    1,792.05x = 2,688.76 × 1,012.93
  4. Step 4: Simplify right side
    1,792.05x = 2,723,520.60
  5. Step 5: Solve for x
    x = 2,723,520.60/1,792.05
  6. Step 6: Final answer
    x = 1,519.78

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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.