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Finding the Fourth Proportional to 1,792.47, 2,688.12 and 1,675.86

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Solution

The fourth proportional to 1,792.47, 2,688.12 and 1,675.86 is: 2,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792.47 : 2,688.12 = 1,675.86 : x
  2. Step 2: Convert to fraction form
    1,792.47/2,688.12 = 1,675.86/x
  3. Step 3: Cross multiply
    1,792.47x = 2,688.12 × 1,675.86
  4. Step 4: Simplify right side
    1,792.47x = 4,504,912.78
  5. Step 5: Solve for x
    x = 4,504,912.78/1,792.47
  6. Step 6: Final answer
    x = 2,513.24

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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.