Home / 4,157.19-6,241.23-2,779.38

Finding the Fourth Proportional to 4,157.19, 6,241.23 and 2,779.38

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Solution

The fourth proportional to 4,157.19, 6,241.23 and 2,779.38 is: 4,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.19 : 6,241.23 = 2,779.38 : x
  2. Step 2: Convert to fraction form
    4,157.19/6,241.23 = 2,779.38/x
  3. Step 3: Cross multiply
    4,157.19x = 6,241.23 × 2,779.38
  4. Step 4: Simplify right side
    4,157.19x = 17,346,749.84
  5. Step 5: Solve for x
    x = 17,346,749.84/4,157.19
  6. Step 6: Final answer
    x = 4,172.71

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1.5x scale

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.