Home / 3,810.25-5,701.53-3,145.96

Finding the Fourth Proportional to 3,810.25, 5,701.53 and 3,145.96

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Solution

The fourth proportional to 3,810.25, 5,701.53 and 3,145.96 is: 4,707.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.25 : 5,701.53 = 3,145.96 : x
  2. Step 2: Convert to fraction form
    3,810.25/5,701.53 = 3,145.96/x
  3. Step 3: Cross multiply
    3,810.25x = 5,701.53 × 3,145.96
  4. Step 4: Simplify right side
    3,810.25x = 17,936,785.32
  5. Step 5: Solve for x
    x = 17,936,785.32/3,810.25
  6. Step 6: Final answer
    x = 4,707.51

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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.