Home / 3,782.06-5,219.79-2,269.69

Finding the Fourth Proportional to 3,782.06, 5,219.79 and 2,269.69

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Solution

The fourth proportional to 3,782.06, 5,219.79 and 2,269.69 is: 3,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.06 : 5,219.79 = 2,269.69 : x
  2. Step 2: Convert to fraction form
    3,782.06/5,219.79 = 2,269.69/x
  3. Step 3: Cross multiply
    3,782.06x = 5,219.79 × 2,269.69
  4. Step 4: Simplify right side
    3,782.06x = 11,847,298.64
  5. Step 5: Solve for x
    x = 11,847,298.64/3,782.06
  6. Step 6: Final answer
    x = 3,132.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.