Home / 3,418.18-5,123.67-1,772.98

Finding the Fourth Proportional to 3,418.18, 5,123.67 and 1,772.98

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Solution

The fourth proportional to 3,418.18, 5,123.67 and 1,772.98 is: 2,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.18 : 5,123.67 = 1,772.98 : x
  2. Step 2: Convert to fraction form
    3,418.18/5,123.67 = 1,772.98/x
  3. Step 3: Cross multiply
    3,418.18x = 5,123.67 × 1,772.98
  4. Step 4: Simplify right side
    3,418.18x = 9,084,164.44
  5. Step 5: Solve for x
    x = 9,084,164.44/3,418.18
  6. Step 6: Final answer
    x = 2,657.60

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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.