Home / 3,828.67-5,285.18-2,337.12

Finding the Fourth Proportional to 3,828.67, 5,285.18 and 2,337.12

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Solution

The fourth proportional to 3,828.67, 5,285.18 and 2,337.12 is: 3,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.67 : 5,285.18 = 2,337.12 : x
  2. Step 2: Convert to fraction form
    3,828.67/5,285.18 = 2,337.12/x
  3. Step 3: Cross multiply
    3,828.67x = 5,285.18 × 2,337.12
  4. Step 4: Simplify right side
    3,828.67x = 12,352,099.88
  5. Step 5: Solve for x
    x = 12,352,099.88/3,828.67
  6. Step 6: Final answer
    x = 3,226.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.