Home / 3,451.12-5,168.44-1,888.76

Finding the Fourth Proportional to 3,451.12, 5,168.44 and 1,888.76

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Solution

The fourth proportional to 3,451.12, 5,168.44 and 1,888.76 is: 2,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.12 : 5,168.44 = 1,888.76 : x
  2. Step 2: Convert to fraction form
    3,451.12/5,168.44 = 1,888.76/x
  3. Step 3: Cross multiply
    3,451.12x = 5,168.44 × 1,888.76
  4. Step 4: Simplify right side
    3,451.12x = 9,761,942.73
  5. Step 5: Solve for x
    x = 9,761,942.73/3,451.12
  6. Step 6: Final answer
    x = 2,828.63

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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.