Home / 3,628.56-5,444.66-1,438.88

Finding the Fourth Proportional to 3,628.56, 5,444.66 and 1,438.88

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Solution

The fourth proportional to 3,628.56, 5,444.66 and 1,438.88 is: 2,159.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.56 : 5,444.66 = 1,438.88 : x
  2. Step 2: Convert to fraction form
    3,628.56/5,444.66 = 1,438.88/x
  3. Step 3: Cross multiply
    3,628.56x = 5,444.66 × 1,438.88
  4. Step 4: Simplify right side
    3,628.56x = 7,834,212.38
  5. Step 5: Solve for x
    x = 7,834,212.38/3,628.56
  6. Step 6: Final answer
    x = 2,159.04

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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.