Home / 3,312.96-4,965.66-1,362.78

Finding the Fourth Proportional to 3,312.96, 4,965.66 and 1,362.78

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Solution

The fourth proportional to 3,312.96, 4,965.66 and 1,362.78 is: 2,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.96 : 4,965.66 = 1,362.78 : x
  2. Step 2: Convert to fraction form
    3,312.96/4,965.66 = 1,362.78/x
  3. Step 3: Cross multiply
    3,312.96x = 4,965.66 × 1,362.78
  4. Step 4: Simplify right side
    3,312.96x = 6,767,102.13
  5. Step 5: Solve for x
    x = 6,767,102.13/3,312.96
  6. Step 6: Final answer
    x = 2,042.62

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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.