Home / 3,458.51-5,188.80-1,610.72

Finding the Fourth Proportional to 3,458.51, 5,188.80 and 1,610.72

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Solution

The fourth proportional to 3,458.51, 5,188.80 and 1,610.72 is: 2,416.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.51 : 5,188.80 = 1,610.72 : x
  2. Step 2: Convert to fraction form
    3,458.51/5,188.80 = 1,610.72/x
  3. Step 3: Cross multiply
    3,458.51x = 5,188.80 × 1,610.72
  4. Step 4: Simplify right side
    3,458.51x = 8,357,703.94
  5. Step 5: Solve for x
    x = 8,357,703.94/3,458.51
  6. Step 6: Final answer
    x = 2,416.56

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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.