Home / 3,458.48-5,174.15-2,672.51

Finding the Fourth Proportional to 3,458.48, 5,174.15 and 2,672.51

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Solution

The fourth proportional to 3,458.48, 5,174.15 and 2,672.51 is: 3,998.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.48 : 5,174.15 = 2,672.51 : x
  2. Step 2: Convert to fraction form
    3,458.48/5,174.15 = 2,672.51/x
  3. Step 3: Cross multiply
    3,458.48x = 5,174.15 × 2,672.51
  4. Step 4: Simplify right side
    3,458.48x = 13,827,928.38
  5. Step 5: Solve for x
    x = 13,827,928.38/3,458.48
  6. Step 6: Final answer
    x = 3,998.27

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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.