Home / 3,080.88-4,624.07-1,438.34

Finding the Fourth Proportional to 3,080.88, 4,624.07 and 1,438.34

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Solution

The fourth proportional to 3,080.88, 4,624.07 and 1,438.34 is: 2,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.88 : 4,624.07 = 1,438.34 : x
  2. Step 2: Convert to fraction form
    3,080.88/4,624.07 = 1,438.34/x
  3. Step 3: Cross multiply
    3,080.88x = 4,624.07 × 1,438.34
  4. Step 4: Simplify right side
    3,080.88x = 6,650,954.53
  5. Step 5: Solve for x
    x = 6,650,954.53/3,080.88
  6. Step 6: Final answer
    x = 2,158.78

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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.