Home / 2,862.68-4,293.32-2,091.76

Finding the Fourth Proportional to 2,862.68, 4,293.32 and 2,091.76

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Solution

The fourth proportional to 2,862.68, 4,293.32 and 2,091.76 is: 3,137.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.68 : 4,293.32 = 2,091.76 : x
  2. Step 2: Convert to fraction form
    2,862.68/4,293.32 = 2,091.76/x
  3. Step 3: Cross multiply
    2,862.68x = 4,293.32 × 2,091.76
  4. Step 4: Simplify right side
    2,862.68x = 8,980,573.85
  5. Step 5: Solve for x
    x = 8,980,573.85/2,862.68
  6. Step 6: Final answer
    x = 3,137.13

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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.