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Finding the Fourth Proportional to 3,324, 4,986 and 1,376.26

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Solution

The fourth proportional to 3,324, 4,986 and 1,376.26 is: 2,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324 : 4,986 = 1,376.26 : x
  2. Step 2: Convert to fraction form
    3,324/4,986 = 1,376.26/x
  3. Step 3: Cross multiply
    3,324x = 4,986 × 1,376.26
  4. Step 4: Simplify right side
    3,324x = 6,862,032.36
  5. Step 5: Solve for x
    x = 6,862,032.36/3,324
  6. Step 6: Final answer
    x = 2,064.39

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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.