Home / 3,187.26-4,779.06-1,889.64

Finding the Fourth Proportional to 3,187.26, 4,779.06 and 1,889.64

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Solution

The fourth proportional to 3,187.26, 4,779.06 and 1,889.64 is: 2,833.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.26 : 4,779.06 = 1,889.64 : x
  2. Step 2: Convert to fraction form
    3,187.26/4,779.06 = 1,889.64/x
  3. Step 3: Cross multiply
    3,187.26x = 4,779.06 × 1,889.64
  4. Step 4: Simplify right side
    3,187.26x = 9,030,702.94
  5. Step 5: Solve for x
    x = 9,030,702.94/3,187.26
  6. Step 6: Final answer
    x = 2,833.38

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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.