Home / 3,272.05-4,515.37-1,779.92

Finding the Fourth Proportional to 3,272.05, 4,515.37 and 1,779.92

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Solution

The fourth proportional to 3,272.05, 4,515.37 and 1,779.92 is: 2,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.05 : 4,515.37 = 1,779.92 : x
  2. Step 2: Convert to fraction form
    3,272.05/4,515.37 = 1,779.92/x
  3. Step 3: Cross multiply
    3,272.05x = 4,515.37 × 1,779.92
  4. Step 4: Simplify right side
    3,272.05x = 8,036,997.37
  5. Step 5: Solve for x
    x = 8,036,997.37/3,272.05
  6. Step 6: Final answer
    x = 2,456.26

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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.