Home / 3,276.98-4,916.43-1,328.66

Finding the Fourth Proportional to 3,276.98, 4,916.43 and 1,328.66

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Solution

The fourth proportional to 3,276.98, 4,916.43 and 1,328.66 is: 1,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.98 : 4,916.43 = 1,328.66 : x
  2. Step 2: Convert to fraction form
    3,276.98/4,916.43 = 1,328.66/x
  3. Step 3: Cross multiply
    3,276.98x = 4,916.43 × 1,328.66
  4. Step 4: Simplify right side
    3,276.98x = 6,532,263.88
  5. Step 5: Solve for x
    x = 6,532,263.88/3,276.98
  6. Step 6: Final answer
    x = 1,993.38

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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.