Home / 3,459.05-5,186.48-1,379.37

Finding the Fourth Proportional to 3,459.05, 5,186.48 and 1,379.37

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Solution

The fourth proportional to 3,459.05, 5,186.48 and 1,379.37 is: 2,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.05 : 5,186.48 = 1,379.37 : x
  2. Step 2: Convert to fraction form
    3,459.05/5,186.48 = 1,379.37/x
  3. Step 3: Cross multiply
    3,459.05x = 5,186.48 × 1,379.37
  4. Step 4: Simplify right side
    3,459.05x = 7,154,068.02
  5. Step 5: Solve for x
    x = 7,154,068.02/3,459.05
  6. Step 6: Final answer
    x = 2,068.22

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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.