Home / 3,875.12-5,813.14-1,241.72

Finding the Fourth Proportional to 3,875.12, 5,813.14 and 1,241.72

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Solution

The fourth proportional to 3,875.12, 5,813.14 and 1,241.72 is: 1,862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.12 : 5,813.14 = 1,241.72 : x
  2. Step 2: Convert to fraction form
    3,875.12/5,813.14 = 1,241.72/x
  3. Step 3: Cross multiply
    3,875.12x = 5,813.14 × 1,241.72
  4. Step 4: Simplify right side
    3,875.12x = 7,218,292.20
  5. Step 5: Solve for x
    x = 7,218,292.20/3,875.12
  6. Step 6: Final answer
    x = 1,862.73

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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.