Home / 2,276.40-3,416.80-1,181.52

Finding the Fourth Proportional to 2,276.40, 3,416.80 and 1,181.52

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Solution

The fourth proportional to 2,276.40, 3,416.80 and 1,181.52 is: 1,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.40 : 3,416.80 = 1,181.52 : x
  2. Step 2: Convert to fraction form
    2,276.40/3,416.80 = 1,181.52/x
  3. Step 3: Cross multiply
    2,276.40x = 3,416.80 × 1,181.52
  4. Step 4: Simplify right side
    2,276.40x = 4,037,017.54
  5. Step 5: Solve for x
    x = 4,037,017.54/2,276.40
  6. Step 6: Final answer
    x = 1,773.42

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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.