Home / 3,082.64-4,254.06-1,685.48

Finding the Fourth Proportional to 3,082.64, 4,254.06 and 1,685.48

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Solution

The fourth proportional to 3,082.64, 4,254.06 and 1,685.48 is: 2,325.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.64 : 4,254.06 = 1,685.48 : x
  2. Step 2: Convert to fraction form
    3,082.64/4,254.06 = 1,685.48/x
  3. Step 3: Cross multiply
    3,082.64x = 4,254.06 × 1,685.48
  4. Step 4: Simplify right side
    3,082.64x = 7,170,133.05
  5. Step 5: Solve for x
    x = 7,170,133.05/3,082.64
  6. Step 6: Final answer
    x = 2,325.97

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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.