Home / 2,414.20-3,621.30-682.84

Finding the Fourth Proportional to 2,414.20, 3,621.30 and 682.84

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Solution

The fourth proportional to 2,414.20, 3,621.30 and 682.84 is: 1,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414.20 : 3,621.30 = 682.84 : x
  2. Step 2: Convert to fraction form
    2,414.20/3,621.30 = 682.84/x
  3. Step 3: Cross multiply
    2,414.20x = 3,621.30 × 682.84
  4. Step 4: Simplify right side
    2,414.20x = 2,472,768.49
  5. Step 5: Solve for x
    x = 2,472,768.49/2,414.20
  6. Step 6: Final answer
    x = 1,024.26

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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.