Home / 2,278.48-3,416.64-1,181.74

Finding the Fourth Proportional to 2,278.48, 3,416.64 and 1,181.74

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Solution

The fourth proportional to 2,278.48, 3,416.64 and 1,181.74 is: 1,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.48 : 3,416.64 = 1,181.74 : x
  2. Step 2: Convert to fraction form
    2,278.48/3,416.64 = 1,181.74/x
  3. Step 3: Cross multiply
    2,278.48x = 3,416.64 × 1,181.74
  4. Step 4: Simplify right side
    2,278.48x = 4,037,580.15
  5. Step 5: Solve for x
    x = 4,037,580.15/2,278.48
  6. Step 6: Final answer
    x = 1,772.05

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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.