Home / 3,858.31-5,324.45-2,089.92

Finding the Fourth Proportional to 3,858.31, 5,324.45 and 2,089.92

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Solution

The fourth proportional to 3,858.31, 5,324.45 and 2,089.92 is: 2,884.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.31 : 5,324.45 = 2,089.92 : x
  2. Step 2: Convert to fraction form
    3,858.31/5,324.45 = 2,089.92/x
  3. Step 3: Cross multiply
    3,858.31x = 5,324.45 × 2,089.92
  4. Step 4: Simplify right side
    3,858.31x = 11,127,646.74
  5. Step 5: Solve for x
    x = 11,127,646.74/3,858.31
  6. Step 6: Final answer
    x = 2,884.07

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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.