Home / 4,103.58-5,664.86-2,779.42

Finding the Fourth Proportional to 4,103.58, 5,664.86 and 2,779.42

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Solution

The fourth proportional to 4,103.58, 5,664.86 and 2,779.42 is: 3,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.58 : 5,664.86 = 2,779.42 : x
  2. Step 2: Convert to fraction form
    4,103.58/5,664.86 = 2,779.42/x
  3. Step 3: Cross multiply
    4,103.58x = 5,664.86 × 2,779.42
  4. Step 4: Simplify right side
    4,103.58x = 15,745,025.18
  5. Step 5: Solve for x
    x = 15,745,025.18/4,103.58
  6. Step 6: Final answer
    x = 3,836.90

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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.