Home / 3,628.88-5,439-2,527.28

Finding the Fourth Proportional to 3,628.88, 5,439 and 2,527.28

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Solution

The fourth proportional to 3,628.88, 5,439 and 2,527.28 is: 3,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.88 : 5,439 = 2,527.28 : x
  2. Step 2: Convert to fraction form
    3,628.88/5,439 = 2,527.28/x
  3. Step 3: Cross multiply
    3,628.88x = 5,439 × 2,527.28
  4. Step 4: Simplify right side
    3,628.88x = 13,745,875.92
  5. Step 5: Solve for x
    x = 13,745,875.92/3,628.88
  6. Step 6: Final answer
    x = 3,787.91

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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.