Home / 3,082.18-4,618.62-1,436.80

Finding the Fourth Proportional to 3,082.18, 4,618.62 and 1,436.80

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Solution

The fourth proportional to 3,082.18, 4,618.62 and 1,436.80 is: 2,153.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.18 : 4,618.62 = 1,436.80 : x
  2. Step 2: Convert to fraction form
    3,082.18/4,618.62 = 1,436.80/x
  3. Step 3: Cross multiply
    3,082.18x = 4,618.62 × 1,436.80
  4. Step 4: Simplify right side
    3,082.18x = 6,636,033.22
  5. Step 5: Solve for x
    x = 6,636,033.22/3,082.18
  6. Step 6: Final answer
    x = 2,153.03

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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.