Home / 3,810.13-5,715.20-2,511.30

Finding the Fourth Proportional to 3,810.13, 5,715.20 and 2,511.30

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Solution

The fourth proportional to 3,810.13, 5,715.20 and 2,511.30 is: 3,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.13 : 5,715.20 = 2,511.30 : x
  2. Step 2: Convert to fraction form
    3,810.13/5,715.20 = 2,511.30/x
  3. Step 3: Cross multiply
    3,810.13x = 5,715.20 × 2,511.30
  4. Step 4: Simplify right side
    3,810.13x = 14,352,581.76
  5. Step 5: Solve for x
    x = 14,352,581.76/3,810.13
  6. Step 6: Final answer
    x = 3,766.95

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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.