Home / 3,858.13-5,324.20-2,089.74

Finding the Fourth Proportional to 3,858.13, 5,324.20 and 2,089.74

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Solution

The fourth proportional to 3,858.13, 5,324.20 and 2,089.74 is: 2,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.13 : 5,324.20 = 2,089.74 : x
  2. Step 2: Convert to fraction form
    3,858.13/5,324.20 = 2,089.74/x
  3. Step 3: Cross multiply
    3,858.13x = 5,324.20 × 2,089.74
  4. Step 4: Simplify right side
    3,858.13x = 11,126,193.71
  5. Step 5: Solve for x
    x = 11,126,193.71/3,858.13
  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.