Home / 3,328.14-4,981.68-1,862.85

Finding the Fourth Proportional to 3,328.14, 4,981.68 and 1,862.85

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Solution

The fourth proportional to 3,328.14, 4,981.68 and 1,862.85 is: 2,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.14 : 4,981.68 = 1,862.85 : x
  2. Step 2: Convert to fraction form
    3,328.14/4,981.68 = 1,862.85/x
  3. Step 3: Cross multiply
    3,328.14x = 4,981.68 × 1,862.85
  4. Step 4: Simplify right side
    3,328.14x = 9,280,122.59
  5. Step 5: Solve for x
    x = 9,280,122.59/3,328.14
  6. Step 6: Final answer
    x = 2,788.38

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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.