Home / 3,181.24-4,764.16-1,617.13

Finding the Fourth Proportional to 3,181.24, 4,764.16 and 1,617.13

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Solution

The fourth proportional to 3,181.24, 4,764.16 and 1,617.13 is: 2,421.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.24 : 4,764.16 = 1,617.13 : x
  2. Step 2: Convert to fraction form
    3,181.24/4,764.16 = 1,617.13/x
  3. Step 3: Cross multiply
    3,181.24x = 4,764.16 × 1,617.13
  4. Step 4: Simplify right side
    3,181.24x = 7,704,266.06
  5. Step 5: Solve for x
    x = 7,704,266.06/3,181.24
  6. Step 6: Final answer
    x = 2,421.78

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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.