Home / 2,860.17-4,286.40-1,216.27

Finding the Fourth Proportional to 2,860.17, 4,286.40 and 1,216.27

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Solution

The fourth proportional to 2,860.17, 4,286.40 and 1,216.27 is: 1,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.17 : 4,286.40 = 1,216.27 : x
  2. Step 2: Convert to fraction form
    2,860.17/4,286.40 = 1,216.27/x
  3. Step 3: Cross multiply
    2,860.17x = 4,286.40 × 1,216.27
  4. Step 4: Simplify right side
    2,860.17x = 5,213,419.73
  5. Step 5: Solve for x
    x = 5,213,419.73/2,860.17
  6. Step 6: Final answer
    x = 1,822.77

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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.