Home / 3,780.30-5,670.45-1,183.24

Finding the Fourth Proportional to 3,780.30, 5,670.45 and 1,183.24

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Solution

The fourth proportional to 3,780.30, 5,670.45 and 1,183.24 is: 1,774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.30 : 5,670.45 = 1,183.24 : x
  2. Step 2: Convert to fraction form
    3,780.30/5,670.45 = 1,183.24/x
  3. Step 3: Cross multiply
    3,780.30x = 5,670.45 × 1,183.24
  4. Step 4: Simplify right side
    3,780.30x = 6,709,503.26
  5. Step 5: Solve for x
    x = 6,709,503.26/3,780.30
  6. Step 6: Final answer
    x = 1,774.86

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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.