Home / 3,190.52-4,779.55-2,091.55

Finding the Fourth Proportional to 3,190.52, 4,779.55 and 2,091.55

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Solution

The fourth proportional to 3,190.52, 4,779.55 and 2,091.55 is: 3,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.52 : 4,779.55 = 2,091.55 : x
  2. Step 2: Convert to fraction form
    3,190.52/4,779.55 = 2,091.55/x
  3. Step 3: Cross multiply
    3,190.52x = 4,779.55 × 2,091.55
  4. Step 4: Simplify right side
    3,190.52x = 9,996,667.80
  5. Step 5: Solve for x
    x = 9,996,667.80/3,190.52
  6. Step 6: Final answer
    x = 3,133.24

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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.