Home / 4,187.96-5,779.38-2,299.64

Finding the Fourth Proportional to 4,187.96, 5,779.38 and 2,299.64

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Solution

The fourth proportional to 4,187.96, 5,779.38 and 2,299.64 is: 3,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.96 : 5,779.38 = 2,299.64 : x
  2. Step 2: Convert to fraction form
    4,187.96/5,779.38 = 2,299.64/x
  3. Step 3: Cross multiply
    4,187.96x = 5,779.38 × 2,299.64
  4. Step 4: Simplify right side
    4,187.96x = 13,290,493.42
  5. Step 5: Solve for x
    x = 13,290,493.42/4,187.96
  6. Step 6: Final answer
    x = 3,173.50

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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.