Home / 3,207.22-4,811.81-1,563.53

Finding the Fourth Proportional to 3,207.22, 4,811.81 and 1,563.53

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Solution

The fourth proportional to 3,207.22, 4,811.81 and 1,563.53 is: 2,345.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.22 : 4,811.81 = 1,563.53 : x
  2. Step 2: Convert to fraction form
    3,207.22/4,811.81 = 1,563.53/x
  3. Step 3: Cross multiply
    3,207.22x = 4,811.81 × 1,563.53
  4. Step 4: Simplify right side
    3,207.22x = 7,523,377.41
  5. Step 5: Solve for x
    x = 7,523,377.41/3,207.22
  6. Step 6: Final answer
    x = 2,345.76

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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.