Home / 3,082.02-4,253.17-1,684.77

Finding the Fourth Proportional to 3,082.02, 4,253.17 and 1,684.77

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Solution

The fourth proportional to 3,082.02, 4,253.17 and 1,684.77 is: 2,324.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.02 : 4,253.17 = 1,684.77 : x
  2. Step 2: Convert to fraction form
    3,082.02/4,253.17 = 1,684.77/x
  3. Step 3: Cross multiply
    3,082.02x = 4,253.17 × 1,684.77
  4. Step 4: Simplify right side
    3,082.02x = 7,165,613.22
  5. Step 5: Solve for x
    x = 7,165,613.22/3,082.02
  6. Step 6: Final answer
    x = 2,324.97

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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.