Home / 3,813.84-5,711.04-2,511.36

Finding the Fourth Proportional to 3,813.84, 5,711.04 and 2,511.36

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Solution

The fourth proportional to 3,813.84, 5,711.04 and 2,511.36 is: 3,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.84 : 5,711.04 = 2,511.36 : x
  2. Step 2: Convert to fraction form
    3,813.84/5,711.04 = 2,511.36/x
  3. Step 3: Cross multiply
    3,813.84x = 5,711.04 × 2,511.36
  4. Step 4: Simplify right side
    3,813.84x = 14,342,477.41
  5. Step 5: Solve for x
    x = 14,342,477.41/3,813.84
  6. Step 6: Final answer
    x = 3,760.64

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1.5x scale

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.