Home / 3,083.31-4,624.83-892.13

Finding the Fourth Proportional to 3,083.31, 4,624.83 and 892.13

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Solution

The fourth proportional to 3,083.31, 4,624.83 and 892.13 is: 1,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.31 : 4,624.83 = 892.13 : x
  2. Step 2: Convert to fraction form
    3,083.31/4,624.83 = 892.13/x
  3. Step 3: Cross multiply
    3,083.31x = 4,624.83 × 892.13
  4. Step 4: Simplify right side
    3,083.31x = 4,125,926.46
  5. Step 5: Solve for x
    x = 4,125,926.46/3,083.31
  6. Step 6: Final answer
    x = 1,338.15

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1.5x scale

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.