Home / 3,631.55-5,444.06-1,438.79

Finding the Fourth Proportional to 3,631.55, 5,444.06 and 1,438.79

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Solution

The fourth proportional to 3,631.55, 5,444.06 and 1,438.79 is: 2,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.55 : 5,444.06 = 1,438.79 : x
  2. Step 2: Convert to fraction form
    3,631.55/5,444.06 = 1,438.79/x
  3. Step 3: Cross multiply
    3,631.55x = 5,444.06 × 1,438.79
  4. Step 4: Simplify right side
    3,631.55x = 7,832,824.67
  5. Step 5: Solve for x
    x = 7,832,824.67/3,631.55
  6. Step 6: Final answer
    x = 2,156.88

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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.