Home / 3,110.63-4,666.14-1,379.25

Finding the Fourth Proportional to 3,110.63, 4,666.14 and 1,379.25

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Solution

The fourth proportional to 3,110.63, 4,666.14 and 1,379.25 is: 2,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.63 : 4,666.14 = 1,379.25 : x
  2. Step 2: Convert to fraction form
    3,110.63/4,666.14 = 1,379.25/x
  3. Step 3: Cross multiply
    3,110.63x = 4,666.14 × 1,379.25
  4. Step 4: Simplify right side
    3,110.63x = 6,435,773.60
  5. Step 5: Solve for x
    x = 6,435,773.60/3,110.63
  6. Step 6: Final answer
    x = 2,068.96

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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.