Home / 3,810.80-5,716.70-1,037.56

Finding the Fourth Proportional to 3,810.80, 5,716.70 and 1,037.56

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Solution

The fourth proportional to 3,810.80, 5,716.70 and 1,037.56 is: 1,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.80 : 5,716.70 = 1,037.56 : x
  2. Step 2: Convert to fraction form
    3,810.80/5,716.70 = 1,037.56/x
  3. Step 3: Cross multiply
    3,810.80x = 5,716.70 × 1,037.56
  4. Step 4: Simplify right side
    3,810.80x = 5,931,419.25
  5. Step 5: Solve for x
    x = 5,931,419.25/3,810.80
  6. Step 6: Final answer
    x = 1,556.48

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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.