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Finding the Fourth Proportional to 2,724, 3,759.12 and 1,482

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Solution

The fourth proportional to 2,724, 3,759.12 and 1,482 is: 2,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724 : 3,759.12 = 1,482 : x
  2. Step 2: Convert to fraction form
    2,724/3,759.12 = 1,482/x
  3. Step 3: Cross multiply
    2,724x = 3,759.12 × 1,482
  4. Step 4: Simplify right side
    2,724x = 5,571,015.84
  5. Step 5: Solve for x
    x = 5,571,015.84/2,724
  6. Step 6: Final answer
    x = 2,045.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.