Home / 2,466.20-3,699.30-734.78

Finding the Fourth Proportional to 2,466.20, 3,699.30 and 734.78

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Solution

The fourth proportional to 2,466.20, 3,699.30 and 734.78 is: 1,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,466.20 : 3,699.30 = 734.78 : x
  2. Step 2: Convert to fraction form
    2,466.20/3,699.30 = 734.78/x
  3. Step 3: Cross multiply
    2,466.20x = 3,699.30 × 734.78
  4. Step 4: Simplify right side
    2,466.20x = 2,718,171.65
  5. Step 5: Solve for x
    x = 2,718,171.65/2,466.20
  6. Step 6: Final answer
    x = 1,102.17

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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.