Home / 3,779.88-5,214.72-2,186.24

Finding the Fourth Proportional to 3,779.88, 5,214.72 and 2,186.24

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Solution

The fourth proportional to 3,779.88, 5,214.72 and 2,186.24 is: 3,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.88 : 5,214.72 = 2,186.24 : x
  2. Step 2: Convert to fraction form
    3,779.88/5,214.72 = 2,186.24/x
  3. Step 3: Cross multiply
    3,779.88x = 5,214.72 × 2,186.24
  4. Step 4: Simplify right side
    3,779.88x = 11,400,629.45
  5. Step 5: Solve for x
    x = 11,400,629.45/3,779.88
  6. Step 6: Final answer
    x = 3,016.14

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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.