Home / 4,102.98-6,155.19-1,764.42

Finding the Fourth Proportional to 4,102.98, 6,155.19 and 1,764.42

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Solution

The fourth proportional to 4,102.98, 6,155.19 and 1,764.42 is: 2,646.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.98 : 6,155.19 = 1,764.42 : x
  2. Step 2: Convert to fraction form
    4,102.98/6,155.19 = 1,764.42/x
  3. Step 3: Cross multiply
    4,102.98x = 6,155.19 × 1,764.42
  4. Step 4: Simplify right side
    4,102.98x = 10,860,340.34
  5. Step 5: Solve for x
    x = 10,860,340.34/4,102.98
  6. Step 6: Final answer
    x = 2,646.94

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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.