Home / 2,278.16-3,419.38-1,183.30

Finding the Fourth Proportional to 2,278.16, 3,419.38 and 1,183.30

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Solution

The fourth proportional to 2,278.16, 3,419.38 and 1,183.30 is: 1,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.16 : 3,419.38 = 1,183.30 : x
  2. Step 2: Convert to fraction form
    2,278.16/3,419.38 = 1,183.30/x
  3. Step 3: Cross multiply
    2,278.16x = 3,419.38 × 1,183.30
  4. Step 4: Simplify right side
    2,278.16x = 4,046,152.35
  5. Step 5: Solve for x
    x = 4,046,152.35/2,278.16
  6. Step 6: Final answer
    x = 1,776.06

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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.