Home / 3,616.11-5,424.13-2,890.30

Finding the Fourth Proportional to 3,616.11, 5,424.13 and 2,890.30

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Solution

The fourth proportional to 3,616.11, 5,424.13 and 2,890.30 is: 4,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.11 : 5,424.13 = 2,890.30 : x
  2. Step 2: Convert to fraction form
    3,616.11/5,424.13 = 2,890.30/x
  3. Step 3: Cross multiply
    3,616.11x = 5,424.13 × 2,890.30
  4. Step 4: Simplify right side
    3,616.11x = 15,677,362.94
  5. Step 5: Solve for x
    x = 15,677,362.94/3,616.11
  6. Step 6: Final answer
    x = 4,335.42

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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.