Home / 3,616.33-5,427.57-2,578.87

Finding the Fourth Proportional to 3,616.33, 5,427.57 and 2,578.87

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Solution

The fourth proportional to 3,616.33, 5,427.57 and 2,578.87 is: 3,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.33 : 5,427.57 = 2,578.87 : x
  2. Step 2: Convert to fraction form
    3,616.33/5,427.57 = 2,578.87/x
  3. Step 3: Cross multiply
    3,616.33x = 5,427.57 × 2,578.87
  4. Step 4: Simplify right side
    3,616.33x = 13,996,997.45
  5. Step 5: Solve for x
    x = 13,996,997.45/3,616.33
  6. Step 6: Final answer
    x = 3,870.50

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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.