Home / 3,780.98-5,670.60-1,441.25

Finding the Fourth Proportional to 3,780.98, 5,670.60 and 1,441.25

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Solution

The fourth proportional to 3,780.98, 5,670.60 and 1,441.25 is: 2,161.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.98 : 5,670.60 = 1,441.25 : x
  2. Step 2: Convert to fraction form
    3,780.98/5,670.60 = 1,441.25/x
  3. Step 3: Cross multiply
    3,780.98x = 5,670.60 × 1,441.25
  4. Step 4: Simplify right side
    3,780.98x = 8,172,752.25
  5. Step 5: Solve for x
    x = 8,172,752.25/3,780.98
  6. Step 6: Final answer
    x = 2,161.54

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1.5x scale

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.