Home / 3,618.36-5,424.84-1,616.22

Finding the Fourth Proportional to 3,618.36, 5,424.84 and 1,616.22

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Solution

The fourth proportional to 3,618.36, 5,424.84 and 1,616.22 is: 2,423.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.36 : 5,424.84 = 1,616.22 : x
  2. Step 2: Convert to fraction form
    3,618.36/5,424.84 = 1,616.22/x
  3. Step 3: Cross multiply
    3,618.36x = 5,424.84 × 1,616.22
  4. Step 4: Simplify right side
    3,618.36x = 8,767,734.90
  5. Step 5: Solve for x
    x = 8,767,734.90/3,618.36
  6. Step 6: Final answer
    x = 2,423.12

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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.