Home / 3,191.81-4,784.30-1,544.73

Finding the Fourth Proportional to 3,191.81, 4,784.30 and 1,544.73

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Solution

The fourth proportional to 3,191.81, 4,784.30 and 1,544.73 is: 2,315.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.81 : 4,784.30 = 1,544.73 : x
  2. Step 2: Convert to fraction form
    3,191.81/4,784.30 = 1,544.73/x
  3. Step 3: Cross multiply
    3,191.81x = 4,784.30 × 1,544.73
  4. Step 4: Simplify right side
    3,191.81x = 7,390,444.02
  5. Step 5: Solve for x
    x = 7,390,444.02/3,191.81
  6. Step 6: Final answer
    x = 2,315.44

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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.