Home / 3,003.81-4,145.11-1,677.25

Finding the Fourth Proportional to 3,003.81, 4,145.11 and 1,677.25

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Solution

The fourth proportional to 3,003.81, 4,145.11 and 1,677.25 is: 2,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.81 : 4,145.11 = 1,677.25 : x
  2. Step 2: Convert to fraction form
    3,003.81/4,145.11 = 1,677.25/x
  3. Step 3: Cross multiply
    3,003.81x = 4,145.11 × 1,677.25
  4. Step 4: Simplify right side
    3,003.81x = 6,952,385.75
  5. Step 5: Solve for x
    x = 6,952,385.75/3,003.81
  6. Step 6: Final answer
    x = 2,314.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.