Home / 3,082.20-4,622.40-1,232.70

Finding the Fourth Proportional to 3,082.20, 4,622.40 and 1,232.70

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Solution

The fourth proportional to 3,082.20, 4,622.40 and 1,232.70 is: 1,848.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.20 : 4,622.40 = 1,232.70 : x
  2. Step 2: Convert to fraction form
    3,082.20/4,622.40 = 1,232.70/x
  3. Step 3: Cross multiply
    3,082.20x = 4,622.40 × 1,232.70
  4. Step 4: Simplify right side
    3,082.20x = 5,698,032.48
  5. Step 5: Solve for x
    x = 5,698,032.48/3,082.20
  6. Step 6: Final answer
    x = 1,848.69

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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.