Home / 3,447.56-4,758.48-2,189.36

Finding the Fourth Proportional to 3,447.56, 4,758.48 and 2,189.36

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Solution

The fourth proportional to 3,447.56, 4,758.48 and 2,189.36 is: 3,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.56 : 4,758.48 = 2,189.36 : x
  2. Step 2: Convert to fraction form
    3,447.56/4,758.48 = 2,189.36/x
  3. Step 3: Cross multiply
    3,447.56x = 4,758.48 × 2,189.36
  4. Step 4: Simplify right side
    3,447.56x = 10,418,025.77
  5. Step 5: Solve for x
    x = 10,418,025.77/3,447.56
  6. Step 6: Final answer
    x = 3,021.85

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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.