Home / 3,360.97-4,638.00-1,868.77

Finding the Fourth Proportional to 3,360.97, 4,638.00 and 1,868.77

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Solution

The fourth proportional to 3,360.97, 4,638.00 and 1,868.77 is: 2,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.97 : 4,638.00 = 1,868.77 : x
  2. Step 2: Convert to fraction form
    3,360.97/4,638.00 = 1,868.77/x
  3. Step 3: Cross multiply
    3,360.97x = 4,638.00 × 1,868.77
  4. Step 4: Simplify right side
    3,360.97x = 8,667,345.92
  5. Step 5: Solve for x
    x = 8,667,345.92/3,360.97
  6. Step 6: Final answer
    x = 2,578.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.