Home / 3,459.65-5,188.54-1,268.39

Finding the Fourth Proportional to 3,459.65, 5,188.54 and 1,268.39

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Solution

The fourth proportional to 3,459.65, 5,188.54 and 1,268.39 is: 1,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.65 : 5,188.54 = 1,268.39 : x
  2. Step 2: Convert to fraction form
    3,459.65/5,188.54 = 1,268.39/x
  3. Step 3: Cross multiply
    3,459.65x = 5,188.54 × 1,268.39
  4. Step 4: Simplify right side
    3,459.65x = 6,581,092.25
  5. Step 5: Solve for x
    x = 6,581,092.25/3,459.65
  6. Step 6: Final answer
    x = 1,902.24

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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.