Home / 2,813.24-4,220.04-1,169.92

Finding the Fourth Proportional to 2,813.24, 4,220.04 and 1,169.92

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Solution

The fourth proportional to 2,813.24, 4,220.04 and 1,169.92 is: 1,754.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.24 : 4,220.04 = 1,169.92 : x
  2. Step 2: Convert to fraction form
    2,813.24/4,220.04 = 1,169.92/x
  3. Step 3: Cross multiply
    2,813.24x = 4,220.04 × 1,169.92
  4. Step 4: Simplify right side
    2,813.24x = 4,937,109.20
  5. Step 5: Solve for x
    x = 4,937,109.20/2,813.24
  6. Step 6: Final answer
    x = 1,754.95

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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.