Home / 2,862.82-4,292.91-1,218.82

Finding the Fourth Proportional to 2,862.82, 4,292.91 and 1,218.82

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Solution

The fourth proportional to 2,862.82, 4,292.91 and 1,218.82 is: 1,827.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.82 : 4,292.91 = 1,218.82 : x
  2. Step 2: Convert to fraction form
    2,862.82/4,292.91 = 1,218.82/x
  3. Step 3: Cross multiply
    2,862.82x = 4,292.91 × 1,218.82
  4. Step 4: Simplify right side
    2,862.82x = 5,232,284.57
  5. Step 5: Solve for x
    x = 5,232,284.57/2,862.82
  6. Step 6: Final answer
    x = 1,827.67

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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.