Home / 3,082.12-4,623.99-2,688.46

Finding the Fourth Proportional to 3,082.12, 4,623.99 and 2,688.46

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Solution

The fourth proportional to 3,082.12, 4,623.99 and 2,688.46 is: 4,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.12 : 4,623.99 = 2,688.46 : x
  2. Step 2: Convert to fraction form
    3,082.12/4,623.99 = 2,688.46/x
  3. Step 3: Cross multiply
    3,082.12x = 4,623.99 × 2,688.46
  4. Step 4: Simplify right side
    3,082.12x = 12,431,412.16
  5. Step 5: Solve for x
    x = 12,431,412.16/3,082.12
  6. Step 6: Final answer
    x = 4,033.40

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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.