Home / 3,264-4,504.32-1,866.78

Finding the Fourth Proportional to 3,264, 4,504.32 and 1,866.78

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Solution

The fourth proportional to 3,264, 4,504.32 and 1,866.78 is: 2,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264 : 4,504.32 = 1,866.78 : x
  2. Step 2: Convert to fraction form
    3,264/4,504.32 = 1,866.78/x
  3. Step 3: Cross multiply
    3,264x = 4,504.32 × 1,866.78
  4. Step 4: Simplify right side
    3,264x = 8,408,574.49
  5. Step 5: Solve for x
    x = 8,408,574.49/3,264
  6. Step 6: Final answer
    x = 2,576.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.