Home / 3,186.17-4,779.23-2,775.59

Finding the Fourth Proportional to 3,186.17, 4,779.23 and 2,775.59

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Solution

The fourth proportional to 3,186.17, 4,779.23 and 2,775.59 is: 4,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.17 : 4,779.23 = 2,775.59 : x
  2. Step 2: Convert to fraction form
    3,186.17/4,779.23 = 2,775.59/x
  3. Step 3: Cross multiply
    3,186.17x = 4,779.23 × 2,775.59
  4. Step 4: Simplify right side
    3,186.17x = 13,265,145.22
  5. Step 5: Solve for x
    x = 13,265,145.22/3,186.17
  6. Step 6: Final answer
    x = 4,163.36

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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.