Home / 4,083.80-5,635.30-2,315.68

Finding the Fourth Proportional to 4,083.80, 5,635.30 and 2,315.68

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Solution

The fourth proportional to 4,083.80, 5,635.30 and 2,315.68 is: 3,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.80 : 5,635.30 = 2,315.68 : x
  2. Step 2: Convert to fraction form
    4,083.80/5,635.30 = 2,315.68/x
  3. Step 3: Cross multiply
    4,083.80x = 5,635.30 × 2,315.68
  4. Step 4: Simplify right side
    4,083.80x = 13,049,551.50
  5. Step 5: Solve for x
    x = 13,049,551.50/4,083.80
  6. Step 6: Final answer
    x = 3,195.44

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1.5x scale

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.