Home / 3,357.36-5,025.51-2,120.49

Finding the Fourth Proportional to 3,357.36, 5,025.51 and 2,120.49

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Solution

The fourth proportional to 3,357.36, 5,025.51 and 2,120.49 is: 3,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.36 : 5,025.51 = 2,120.49 : x
  2. Step 2: Convert to fraction form
    3,357.36/5,025.51 = 2,120.49/x
  3. Step 3: Cross multiply
    3,357.36x = 5,025.51 × 2,120.49
  4. Step 4: Simplify right side
    3,357.36x = 10,656,543.70
  5. Step 5: Solve for x
    x = 10,656,543.70/3,357.36
  6. Step 6: Final answer
    x = 3,174.08

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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.