Home / 3,616.13-4,989.44-2,124.11

Finding the Fourth Proportional to 3,616.13, 4,989.44 and 2,124.11

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Solution

The fourth proportional to 3,616.13, 4,989.44 and 2,124.11 is: 2,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.13 : 4,989.44 = 2,124.11 : x
  2. Step 2: Convert to fraction form
    3,616.13/4,989.44 = 2,124.11/x
  3. Step 3: Cross multiply
    3,616.13x = 4,989.44 × 2,124.11
  4. Step 4: Simplify right side
    3,616.13x = 10,598,083.83
  5. Step 5: Solve for x
    x = 10,598,083.83/3,616.13
  6. Step 6: Final answer
    x = 2,930.78

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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.