Home / 3,312.82-4,963.80-1,555.96

Finding the Fourth Proportional to 3,312.82, 4,963.80 and 1,555.96

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Solution

The fourth proportional to 3,312.82, 4,963.80 and 1,555.96 is: 2,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.82 : 4,963.80 = 1,555.96 : x
  2. Step 2: Convert to fraction form
    3,312.82/4,963.80 = 1,555.96/x
  3. Step 3: Cross multiply
    3,312.82x = 4,963.80 × 1,555.96
  4. Step 4: Simplify right side
    3,312.82x = 7,723,474.25
  5. Step 5: Solve for x
    x = 7,723,474.25/3,312.82
  6. Step 6: Final answer
    x = 2,331.39

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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.