Home / 3,082.60-4,254.72-1,904.56

Finding the Fourth Proportional to 3,082.60, 4,254.72 and 1,904.56

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Solution

The fourth proportional to 3,082.60, 4,254.72 and 1,904.56 is: 2,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.60 : 4,254.72 = 1,904.56 : x
  2. Step 2: Convert to fraction form
    3,082.60/4,254.72 = 1,904.56/x
  3. Step 3: Cross multiply
    3,082.60x = 4,254.72 × 1,904.56
  4. Step 4: Simplify right side
    3,082.60x = 8,103,369.52
  5. Step 5: Solve for x
    x = 8,103,369.52/3,082.60
  6. Step 6: Final answer
    x = 2,628.75

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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.