Home / 3,450.19-4,760.61-2,191.45

Finding the Fourth Proportional to 3,450.19, 4,760.61 and 2,191.45

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Solution

The fourth proportional to 3,450.19, 4,760.61 and 2,191.45 is: 3,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.19 : 4,760.61 = 2,191.45 : x
  2. Step 2: Convert to fraction form
    3,450.19/4,760.61 = 2,191.45/x
  3. Step 3: Cross multiply
    3,450.19x = 4,760.61 × 2,191.45
  4. Step 4: Simplify right side
    3,450.19x = 10,432,627.83
  5. Step 5: Solve for x
    x = 10,432,627.83/3,450.19
  6. Step 6: Final answer
    x = 3,023.78

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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.