Home / 3,082.09-4,253.30-1,684.87

Finding the Fourth Proportional to 3,082.09, 4,253.30 and 1,684.87

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Solution

The fourth proportional to 3,082.09, 4,253.30 and 1,684.87 is: 2,325.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.09 : 4,253.30 = 1,684.87 : x
  2. Step 2: Convert to fraction form
    3,082.09/4,253.30 = 1,684.87/x
  3. Step 3: Cross multiply
    3,082.09x = 4,253.30 × 1,684.87
  4. Step 4: Simplify right side
    3,082.09x = 7,166,257.57
  5. Step 5: Solve for x
    x = 7,166,257.57/3,082.09
  6. Step 6: Final answer
    x = 2,325.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.