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Finding the Fourth Proportional to 3,864.96, 5,796.48 and 1,812.48

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Solution

The fourth proportional to 3,864.96, 5,796.48 and 1,812.48 is: 2,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.96 : 5,796.48 = 1,812.48 : x
  2. Step 2: Convert to fraction form
    3,864.96/5,796.48 = 1,812.48/x
  3. Step 3: Cross multiply
    3,864.96x = 5,796.48 × 1,812.48
  4. Step 4: Simplify right side
    3,864.96x = 10,506,004.07
  5. Step 5: Solve for x
    x = 10,506,004.07/3,864.96
  6. Step 6: Final answer
    x = 2,718.27

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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.