Home / 3,188.52-4,779.06-1,339.26

Finding the Fourth Proportional to 3,188.52, 4,779.06 and 1,339.26

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Solution

The fourth proportional to 3,188.52, 4,779.06 and 1,339.26 is: 2,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.52 : 4,779.06 = 1,339.26 : x
  2. Step 2: Convert to fraction form
    3,188.52/4,779.06 = 1,339.26/x
  3. Step 3: Cross multiply
    3,188.52x = 4,779.06 × 1,339.26
  4. Step 4: Simplify right side
    3,188.52x = 6,400,403.90
  5. Step 5: Solve for x
    x = 6,400,403.90/3,188.52
  6. Step 6: Final answer
    x = 2,007.33

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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.