Home / 2,276.64-3,416.78-1,181.30

Finding the Fourth Proportional to 2,276.64, 3,416.78 and 1,181.30

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Solution

The fourth proportional to 2,276.64, 3,416.78 and 1,181.30 is: 1,772.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.64 : 3,416.78 = 1,181.30 : x
  2. Step 2: Convert to fraction form
    2,276.64/3,416.78 = 1,181.30/x
  3. Step 3: Cross multiply
    2,276.64x = 3,416.78 × 1,181.30
  4. Step 4: Simplify right side
    2,276.64x = 4,036,242.21
  5. Step 5: Solve for x
    x = 4,036,242.21/2,276.64
  6. Step 6: Final answer
    x = 1,772.89

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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.