Home / 3,189.01-4,779.18-1,542.28

Finding the Fourth Proportional to 3,189.01, 4,779.18 and 1,542.28

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Solution

The fourth proportional to 3,189.01, 4,779.18 and 1,542.28 is: 2,311.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.01 : 4,779.18 = 1,542.28 : x
  2. Step 2: Convert to fraction form
    3,189.01/4,779.18 = 1,542.28/x
  3. Step 3: Cross multiply
    3,189.01x = 4,779.18 × 1,542.28
  4. Step 4: Simplify right side
    3,189.01x = 7,370,833.73
  5. Step 5: Solve for x
    x = 7,370,833.73/3,189.01
  6. Step 6: Final answer
    x = 2,311.32

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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.