Home / 3,312.11-4,967.99-1,231.31

Finding the Fourth Proportional to 3,312.11, 4,967.99 and 1,231.31

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Solution

The fourth proportional to 3,312.11, 4,967.99 and 1,231.31 is: 1,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.11 : 4,967.99 = 1,231.31 : x
  2. Step 2: Convert to fraction form
    3,312.11/4,967.99 = 1,231.31/x
  3. Step 3: Cross multiply
    3,312.11x = 4,967.99 × 1,231.31
  4. Step 4: Simplify right side
    3,312.11x = 6,117,126.43
  5. Step 5: Solve for x
    x = 6,117,126.43/3,312.11
  6. Step 6: Final answer
    x = 1,846.90

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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.