Home / 3,082.16-4,621.55-1,518.73

Finding the Fourth Proportional to 3,082.16, 4,621.55 and 1,518.73

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Solution

The fourth proportional to 3,082.16, 4,621.55 and 1,518.73 is: 2,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.16 : 4,621.55 = 1,518.73 : x
  2. Step 2: Convert to fraction form
    3,082.16/4,621.55 = 1,518.73/x
  3. Step 3: Cross multiply
    3,082.16x = 4,621.55 × 1,518.73
  4. Step 4: Simplify right side
    3,082.16x = 7,018,867.48
  5. Step 5: Solve for x
    x = 7,018,867.48/3,082.16
  6. Step 6: Final answer
    x = 2,277.25

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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.