Home / 3,191.58-4,788.34-1,632.68

Finding the Fourth Proportional to 3,191.58, 4,788.34 and 1,632.68

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Solution

The fourth proportional to 3,191.58, 4,788.34 and 1,632.68 is: 2,449.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.58 : 4,788.34 = 1,632.68 : x
  2. Step 2: Convert to fraction form
    3,191.58/4,788.34 = 1,632.68/x
  3. Step 3: Cross multiply
    3,191.58x = 4,788.34 × 1,632.68
  4. Step 4: Simplify right side
    3,191.58x = 7,817,803.01
  5. Step 5: Solve for x
    x = 7,817,803.01/3,191.58
  6. Step 6: Final answer
    x = 2,449.51

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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.