Home / 3,810.42-5,716.80-1,619.10

Finding the Fourth Proportional to 3,810.42, 5,716.80 and 1,619.10

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Solution

The fourth proportional to 3,810.42, 5,716.80 and 1,619.10 is: 2,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.42 : 5,716.80 = 1,619.10 : x
  2. Step 2: Convert to fraction form
    3,810.42/5,716.80 = 1,619.10/x
  3. Step 3: Cross multiply
    3,810.42x = 5,716.80 × 1,619.10
  4. Step 4: Simplify right side
    3,810.42x = 9,256,070.88
  5. Step 5: Solve for x
    x = 9,256,070.88/3,810.42
  6. Step 6: Final answer
    x = 2,429.15

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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.