Home / 3,858.18-5,324.32-2,089.82

Finding the Fourth Proportional to 3,858.18, 5,324.32 and 2,089.82

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Solution

The fourth proportional to 3,858.18, 5,324.32 and 2,089.82 is: 2,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.18 : 5,324.32 = 2,089.82 : x
  2. Step 2: Convert to fraction form
    3,858.18/5,324.32 = 2,089.82/x
  3. Step 3: Cross multiply
    3,858.18x = 5,324.32 × 2,089.82
  4. Step 4: Simplify right side
    3,858.18x = 11,126,870.42
  5. Step 5: Solve for x
    x = 11,126,870.42/3,858.18
  6. Step 6: Final answer
    x = 2,883.97

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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.