Home / 3,779.97-5,666.41-2,389.29

Finding the Fourth Proportional to 3,779.97, 5,666.41 and 2,389.29

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Solution

The fourth proportional to 3,779.97, 5,666.41 and 2,389.29 is: 3,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.97 : 5,666.41 = 2,389.29 : x
  2. Step 2: Convert to fraction form
    3,779.97/5,666.41 = 2,389.29/x
  3. Step 3: Cross multiply
    3,779.97x = 5,666.41 × 2,389.29
  4. Step 4: Simplify right side
    3,779.97x = 13,538,696.75
  5. Step 5: Solve for x
    x = 13,538,696.75/3,779.97
  6. Step 6: Final answer
    x = 3,581.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.