Home / 3,379.11-5,068.05-1,431.46

Finding the Fourth Proportional to 3,379.11, 5,068.05 and 1,431.46

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Solution

The fourth proportional to 3,379.11, 5,068.05 and 1,431.46 is: 2,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.11 : 5,068.05 = 1,431.46 : x
  2. Step 2: Convert to fraction form
    3,379.11/5,068.05 = 1,431.46/x
  3. Step 3: Cross multiply
    3,379.11x = 5,068.05 × 1,431.46
  4. Step 4: Simplify right side
    3,379.11x = 7,254,710.85
  5. Step 5: Solve for x
    x = 7,254,710.85/3,379.11
  6. Step 6: Final answer
    x = 2,146.93

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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.