Home / 3,757.86-5,635.98-1,417.80

Finding the Fourth Proportional to 3,757.86, 5,635.98 and 1,417.80

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Solution

The fourth proportional to 3,757.86, 5,635.98 and 1,417.80 is: 2,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.86 : 5,635.98 = 1,417.80 : x
  2. Step 2: Convert to fraction form
    3,757.86/5,635.98 = 1,417.80/x
  3. Step 3: Cross multiply
    3,757.86x = 5,635.98 × 1,417.80
  4. Step 4: Simplify right side
    3,757.86x = 7,990,692.44
  5. Step 5: Solve for x
    x = 7,990,692.44/3,757.86
  6. Step 6: Final answer
    x = 2,126.39

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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.