Home / 3,377.96-5,055.96-2,911.40

Finding the Fourth Proportional to 3,377.96, 5,055.96 and 2,911.40

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Solution

The fourth proportional to 3,377.96, 5,055.96 and 2,911.40 is: 4,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.96 : 5,055.96 = 2,911.40 : x
  2. Step 2: Convert to fraction form
    3,377.96/5,055.96 = 2,911.40/x
  3. Step 3: Cross multiply
    3,377.96x = 5,055.96 × 2,911.40
  4. Step 4: Simplify right side
    3,377.96x = 14,719,921.94
  5. Step 5: Solve for x
    x = 14,719,921.94/3,377.96
  6. Step 6: Final answer
    x = 4,357.64

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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.