Home / 3,082.97-4,621.06-1,438.17

Finding the Fourth Proportional to 3,082.97, 4,621.06 and 1,438.17

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Solution

The fourth proportional to 3,082.97, 4,621.06 and 1,438.17 is: 2,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.97 : 4,621.06 = 1,438.17 : x
  2. Step 2: Convert to fraction form
    3,082.97/4,621.06 = 1,438.17/x
  3. Step 3: Cross multiply
    3,082.97x = 4,621.06 × 1,438.17
  4. Step 4: Simplify right side
    3,082.97x = 6,645,869.86
  5. Step 5: Solve for x
    x = 6,645,869.86/3,082.97
  6. Step 6: Final answer
    x = 2,155.67

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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.