Home / 3,858.08-5,324.18-2,089.72

Finding the Fourth Proportional to 3,858.08, 5,324.18 and 2,089.72

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Solution

The fourth proportional to 3,858.08, 5,324.18 and 2,089.72 is: 2,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.08 : 5,324.18 = 2,089.72 : x
  2. Step 2: Convert to fraction form
    3,858.08/5,324.18 = 2,089.72/x
  3. Step 3: Cross multiply
    3,858.08x = 5,324.18 × 2,089.72
  4. Step 4: Simplify right side
    3,858.08x = 11,126,045.43
  5. Step 5: Solve for x
    x = 11,126,045.43/3,858.08
  6. Step 6: Final answer
    x = 2,883.83

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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.